syzkaller login: [ 37.953651] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:26474' (ECDSA) to the list of known hosts. 2023/05/18 06:56:11 fuzzer started 2023/05/18 06:56:11 dialing manager at localhost:44319 2023/05/18 06:56:11 checking machine... 2023/05/18 06:56:11 checking revisions... [ 39.133798] kmemleak: Automatic memory scanning thread ended 2023/05/18 06:56:11 testing simple program... [ 39.200315] cgroup: Unknown subsys name 'net' [ 39.277743] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.160399] audit: type=1400 audit(1684392984.714:6): 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 [ 53.294814] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.296790] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.299745] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.303079] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.305620] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.307537] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.695149] ------------[ cut here ]------------ [ 53.695882] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.698414] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.699777] Modules linked in: [ 53.700308] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.705121] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.706148] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.706798] 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 [ 53.709016] RSP: 0018:ffff88801eb2fc00 EFLAGS: 00010282 [ 53.709672] RAX: 0000000000000000 RBX: ffff88800ef47440 RCX: 0000000000000000 [ 53.710568] RDX: ffff88801856d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.711459] RBP: ffff88800ef47454 R08: 0000000000000001 R09: 0000000000000000 [ 53.712388] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.713281] R13: ffffffff84e23fe0 R14: ffff88800ef47448 R15: ffffffff84d74dc0 [ 53.714174] FS: 00005555569e1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.715170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.715887] CR2: 0000560df6b1c080 CR3: 000000000c98c000 CR4: 0000000000350ef0 [ 53.716780] Call Trace: [ 53.717132] [ 53.717429] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.718072] ipv4_frags_init_net+0x269/0x440 [ 53.718631] ops_init+0xbb/0x6b0 [ 53.719105] setup_net+0x3d9/0x990 [ 53.719568] ? down_read_killable+0x1d7/0x4e0 [ 53.720170] ? __pfx_setup_net+0x10/0x10 [ 53.720683] ? copy_net_ns+0x17c/0x770 [ 53.721216] copy_net_ns+0x321/0x770 [ 53.721705] create_new_namespaces+0x3f6/0xb30 [ 53.722321] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.722937] ksys_unshare+0x44d/0x8e0 [ 53.723446] ? __pfx_ksys_unshare+0x10/0x10 [ 53.724048] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.724758] __x64_sys_unshare+0x31/0x40 [ 53.725304] do_syscall_64+0x3f/0x90 [ 53.725786] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.726455] RIP: 0033:0x7fb746ebf0d7 [ 53.726917] 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 [ 53.729091] RSP: 002b:00007ffecbdcac38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.730046] RAX: ffffffffffffffda RBX: 00007ffecbdcb278 RCX: 00007fb746ebf0d7 [ 53.730895] RDX: 00007fb746f2941f RSI: 00007ffecbdcabd0 RDI: 0000000040000000 [ 53.731782] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffecbdca9e0 [ 53.732662] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb746fd1bf0 [ 53.733563] R13: 00007ffecbdcad10 R14: 0000000000000000 R15: 00000000000000f8 [ 53.734477] [ 53.734779] irq event stamp: 8281 [ 53.735233] hardirqs last enabled at (8293): [] __up_console_sem+0x78/0x80 [ 53.736295] hardirqs last disabled at (8304): [] __up_console_sem+0x5d/0x80 [ 53.737371] softirqs last enabled at (8190): [] irq_exit_rcu+0x93/0xc0 [ 53.738409] softirqs last disabled at (8185): [] irq_exit_rcu+0x93/0xc0 [ 53.739453] ---[ end trace 0000000000000000 ]--- [ 53.745764] ------------[ cut here ]------------ [ 53.747563] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.749530] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.750763] Modules linked in: [ 53.751346] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.752654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.753874] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.754657] 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 [ 53.757149] RSP: 0018:ffff88801eb2fc00 EFLAGS: 00010282 [ 53.757842] RAX: 0000000000000000 RBX: ffff88801026ec40 RCX: 0000000000000000 [ 53.758863] RDX: ffff88801856d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.759914] RBP: ffff88801026ec54 R08: 0000000000000001 R09: 0000000000000000 [ 53.760958] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.762157] R13: ffffffff84e23fe0 R14: ffff88801026ec48 R15: ffffffff84da7d60 [ 53.763187] FS: 00005555569e1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.764397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.765282] CR2: 00007fbd3fbcd3c0 CR3: 000000000c98c000 CR4: 0000000000350ee0 [ 53.766355] Call Trace: [ 53.766686] [ 53.767169] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.767805] ipv6_frags_init_net+0x206/0x3c0 [ 53.768604] ops_init+0xbb/0x6b0 [ 53.769285] setup_net+0x3d9/0x990 [ 53.769769] ? down_read_killable+0x1d7/0x4e0 [ 53.770508] ? __pfx_setup_net+0x10/0x10 [ 53.771221] ? copy_net_ns+0x17c/0x770 [ 53.771757] copy_net_ns+0x321/0x770 [ 53.772450] create_new_namespaces+0x3f6/0xb30 [ 53.773259] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.773900] ksys_unshare+0x44d/0x8e0 [ 53.774537] ? __pfx_ksys_unshare+0x10/0x10 [ 53.775258] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.776115] __x64_sys_unshare+0x31/0x40 [ 53.776643] do_syscall_64+0x3f/0x90 [ 53.777265] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.777949] RIP: 0033:0x7fb746ebf0d7 [ 53.778677] 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 [ 53.781034] RSP: 002b:00007ffecbdcac38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.782209] RAX: ffffffffffffffda RBX: 00007ffecbdcb278 RCX: 00007fb746ebf0d7 [ 53.783231] RDX: 00007fb746f2941f RSI: 00007ffecbdcabd0 RDI: 0000000040000000 [ 53.784200] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffecbdca9e0 [ 53.785105] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb746fd1bf0 [ 53.786034] R13: 00007ffecbdcad10 R14: 0000000000000000 R15: 00000000000000f8 [ 53.786916] [ 53.787248] irq event stamp: 13149 [ 53.787707] hardirqs last enabled at (13159): [] __up_console_sem+0x78/0x80 [ 53.788778] hardirqs last disabled at (13170): [] __up_console_sem+0x5d/0x80 [ 53.789900] softirqs last enabled at (13098): [] irq_exit_rcu+0x93/0xc0 [ 53.790951] softirqs last disabled at (13079): [] irq_exit_rcu+0x93/0xc0 [ 53.792024] ---[ end trace 0000000000000000 ]--- [ 53.793889] ------------[ cut here ]------------ [ 53.794744] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.796657] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.797752] Modules linked in: [ 53.798319] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.799639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.800817] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.801601] 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 [ 53.803966] RSP: 0018:ffff88801eb2fbf0 EFLAGS: 00010286 [ 53.804773] RAX: 0000000000000000 RBX: ffff888010015840 RCX: 0000000000000000 [ 53.805796] RDX: ffff88801856d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.806773] RBP: ffff888010015854 R08: 0000000000000001 R09: 0000000000000000 [ 53.807867] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.808863] R13: ffffffff84e23fe0 R14: ffff888010015848 R15: ffffffff84db0aa0 [ 53.809944] FS: 00005555569e1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.811217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.811951] CR2: 00007fbd3fb862b0 CR3: 000000000c98c000 CR4: 0000000000350ef0 [ 53.813113] Call Trace: [ 53.813444] [ 53.813743] nf_ct_net_init+0x224/0x3d0 [ 53.814427] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.815193] ops_init+0xbb/0x6b0 [ 53.815655] setup_net+0x3d9/0x990 [ 53.816276] ? down_read_killable+0x1d7/0x4e0 [ 53.816855] ? __pfx_setup_net+0x10/0x10 [ 53.817477] ? copy_net_ns+0x17c/0x770 [ 53.818176] copy_net_ns+0x321/0x770 [ 53.818667] create_new_namespaces+0x3f6/0xb30 [ 53.819401] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.820191] ksys_unshare+0x44d/0x8e0 [ 53.820690] ? __pfx_ksys_unshare+0x10/0x10 [ 53.821431] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.822293] __x64_sys_unshare+0x31/0x40 [ 53.822815] do_syscall_64+0x3f/0x90 [ 53.823409] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.824256] RIP: 0033:0x7fb746ebf0d7 [ 53.824723] 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 [ 53.827021] RSP: 002b:00007ffecbdcac38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.827960] RAX: ffffffffffffffda RBX: 00007ffecbdcb278 RCX: 00007fb746ebf0d7 [ 53.829130] RDX: 00007fb746f2941f RSI: 00007ffecbdcabd0 RDI: 0000000040000000 [ 53.830164] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffecbdca9e0 [ 53.831214] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb746fd1bf0 [ 53.832233] R13: 00007ffecbdcad10 R14: 0000000000000000 R15: 00000000000000f8 [ 53.833304] [ 53.833607] irq event stamp: 16335 [ 53.834194] hardirqs last enabled at (16411): [] __up_console_sem+0x78/0x80 [ 53.835388] hardirqs last disabled at (16486): [] __up_console_sem+0x5d/0x80 [ 53.836585] softirqs last enabled at (16548): [] irq_exit_rcu+0x93/0xc0 [ 53.837723] softirqs last disabled at (16561): [] irq_exit_rcu+0x93/0xc0 [ 53.838892] ---[ end trace 0000000000000000 ]--- executing program [ 55.380620] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.428075] Bluetooth: hci0: command 0x041b tx timeout [ 59.476144] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.524057] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:56:22 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801eb2f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 00005555569e1400 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=0000560df6b1c080 CR3=000000000c98c000 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=00000000000268ff 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=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 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=00007fbd3fbe10a0 CR3=0000000016584000 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=52921d837cc0bda3cb42c03d3f829686 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=24e604b6409ed968000000000013c1e0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=aeeee7c8e479870e00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002020202020200020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000