Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:28947' (ECDSA) to the list of known hosts. 2023/05/16 11:52:11 fuzzer started 2023/05/16 11:52:11 dialing manager at localhost:35573 2023/05/16 11:52:11 checking machine... 2023/05/16 11:52:11 checking revisions... syzkaller login: [ 40.178733] kmemleak: Automatic memory scanning thread ended 2023/05/16 11:52:11 testing simple program... [ 40.236642] cgroup: Unknown subsys name 'net' [ 40.271212] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.389698] audit: type=1400 audit(1684237943.763:6): 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 [ 53.505285] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.507355] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.509324] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.514218] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.516636] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.519225] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.907084] ------------[ cut here ]------------ [ 53.908616] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.910372] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.911583] Modules linked in: [ 53.912034] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.915832] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.916943] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.917695] 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 [ 53.919967] RSP: 0018:ffff8880145a7c00 EFLAGS: 00010282 [ 53.920762] RAX: 0000000000000000 RBX: ffff88800e35ec40 RCX: 0000000000000000 [ 53.921748] RDX: ffff888010083680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.922752] RBP: ffff88800e35ec54 R08: 0000000000000001 R09: 0000000000000000 [ 53.923770] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.924815] R13: ffffffff84e223a0 R14: ffff88800e35ec48 R15: ffffffff84d73340 [ 53.925865] FS: 0000555555ee7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.927009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.927784] CR2: 00007fcb966d16f4 CR3: 0000000018726000 CR4: 0000000000350ee0 [ 53.928690] Call Trace: [ 53.929012] [ 53.929314] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.929975] ipv4_frags_init_net+0x269/0x440 [ 53.930560] ops_init+0xbb/0x6b0 [ 53.931009] setup_net+0x3d9/0x990 [ 53.931498] ? down_read_killable+0x1d7/0x4e0 [ 53.932082] ? __pfx_setup_net+0x10/0x10 [ 53.932625] ? copy_net_ns+0x17c/0x770 [ 53.933127] copy_net_ns+0x321/0x770 [ 53.933652] create_new_namespaces+0x3f6/0xb30 [ 53.934251] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.934903] ksys_unshare+0x44d/0x8e0 [ 53.935404] ? __pfx_ksys_unshare+0x10/0x10 [ 53.936008] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.936760] __x64_sys_unshare+0x31/0x40 [ 53.937285] do_syscall_64+0x3f/0x90 [ 53.937804] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.938450] RIP: 0033:0x7f10f05950d7 [ 53.938951] 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 [ 53.941167] RSP: 002b:00007ffc1c550e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.942114] RAX: ffffffffffffffda RBX: 00007ffc1c551498 RCX: 00007f10f05950d7 [ 53.942994] RDX: 00007f10f05ff41f RSI: 00007ffc1c550df0 RDI: 0000000040000000 [ 53.943905] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc1c550c00 [ 53.944792] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f10f06a7bf0 [ 53.945703] R13: 00007ffc1c550f30 R14: 0000000000000000 R15: 00000000000000f8 [ 53.946637] [ 53.946937] irq event stamp: 9419 [ 53.947363] hardirqs last enabled at (9429): [] __up_console_sem+0x78/0x80 [ 53.948443] hardirqs last disabled at (9440): [] __up_console_sem+0x5d/0x80 [ 53.949519] softirqs last enabled at (9392): [] irq_exit_rcu+0x93/0xc0 [ 53.950566] softirqs last disabled at (9383): [] irq_exit_rcu+0x93/0xc0 [ 53.951608] ---[ end trace 0000000000000000 ]--- [ 53.957985] ------------[ cut here ]------------ [ 53.958610] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.960438] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.961534] Modules linked in: [ 53.961947] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.963119] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.964170] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.964853] 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 [ 53.967046] RSP: 0018:ffff8880145a7c00 EFLAGS: 00010282 [ 53.967755] RAX: 0000000000000000 RBX: ffff88800cb26440 RCX: 0000000000000000 [ 53.968656] RDX: ffff888010083680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.969553] RBP: ffff88800cb26454 R08: 0000000000000001 R09: 0000000000000000 [ 53.970421] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.971324] R13: ffffffff84e223a0 R14: ffff88800cb26448 R15: ffffffff84da62e0 [ 53.972231] FS: 0000555555ee7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.973239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.973982] CR2: 00007fcb966d16f4 CR3: 0000000018726000 CR4: 0000000000350ee0 [ 53.974882] Call Trace: [ 53.975215] [ 53.975550] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.976193] ipv6_frags_init_net+0x206/0x3c0 [ 53.976787] ops_init+0xbb/0x6b0 [ 53.977236] setup_net+0x3d9/0x990 [ 53.977726] ? down_read_killable+0x1d7/0x4e0 [ 53.978296] ? __pfx_setup_net+0x10/0x10 [ 53.978834] ? copy_net_ns+0x17c/0x770 [ 53.979347] copy_net_ns+0x321/0x770 [ 53.979868] create_new_namespaces+0x3f6/0xb30 [ 53.980498] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.981123] ksys_unshare+0x44d/0x8e0 [ 53.981656] ? __pfx_ksys_unshare+0x10/0x10 [ 53.982210] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.982951] __x64_sys_unshare+0x31/0x40 [ 53.983503] do_syscall_64+0x3f/0x90 [ 53.983990] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.984666] RIP: 0033:0x7f10f05950d7 [ 53.985133] 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 [ 53.987325] RSP: 002b:00007ffc1c550e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.988299] RAX: ffffffffffffffda RBX: 00007ffc1c551498 RCX: 00007f10f05950d7 [ 53.989230] RDX: 00007f10f05ff41f RSI: 00007ffc1c550df0 RDI: 0000000040000000 [ 53.990173] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc1c550c00 [ 53.991086] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f10f06a7bf0 [ 53.991996] R13: 00007ffc1c550f30 R14: 0000000000000000 R15: 00000000000000f8 [ 53.992908] [ 53.993213] irq event stamp: 11625 [ 53.993693] hardirqs last enabled at (11637): [] __up_console_sem+0x78/0x80 [ 53.994787] hardirqs last disabled at (11648): [] __up_console_sem+0x5d/0x80 [ 53.995890] softirqs last enabled at (11120): [] irq_exit_rcu+0x93/0xc0 [ 53.996945] softirqs last disabled at (11669): [] irq_exit_rcu+0x93/0xc0 [ 53.998008] ---[ end trace 0000000000000000 ]--- [ 53.999348] ------------[ cut here ]------------ [ 54.000027] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.001997] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.003082] Modules linked in: [ 54.003519] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.004684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.005713] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.006351] 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 [ 54.008529] RSP: 0018:ffff8880145a7bf0 EFLAGS: 00010286 [ 54.009176] RAX: 0000000000000000 RBX: ffff88800cb27a40 RCX: 0000000000000000 [ 54.010073] RDX: ffff888010083680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.010971] RBP: ffff88800cb27a54 R08: 0000000000000001 R09: 0000000000000000 [ 54.011888] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.012788] R13: ffffffff84e223a0 R14: ffff88800cb27a48 R15: ffffffff84daf020 [ 54.013682] FS: 0000555555ee7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.014679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.015381] CR2: 00007fcb966d16f4 CR3: 0000000018726000 CR4: 0000000000350ee0 [ 54.016294] Call Trace: [ 54.016658] [ 54.016962] nf_ct_net_init+0x224/0x3d0 [ 54.017518] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.018091] ops_init+0xbb/0x6b0 [ 54.018578] setup_net+0x3d9/0x990 [ 54.019031] ? down_read_killable+0x1d7/0x4e0 [ 54.019637] ? __pfx_setup_net+0x10/0x10 [ 54.020163] ? copy_net_ns+0x17c/0x770 [ 54.020714] copy_net_ns+0x321/0x770 [ 54.021197] create_new_namespaces+0x3f6/0xb30 [ 54.021825] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.022448] ksys_unshare+0x44d/0x8e0 [ 54.022972] ? __pfx_ksys_unshare+0x10/0x10 [ 54.023561] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.024282] __x64_sys_unshare+0x31/0x40 [ 54.024845] do_syscall_64+0x3f/0x90 [ 54.025319] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.025993] RIP: 0033:0x7f10f05950d7 [ 54.026486] 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 [ 54.028649] RSP: 002b:00007ffc1c550e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.029603] RAX: ffffffffffffffda RBX: 00007ffc1c551498 RCX: 00007f10f05950d7 [ 54.030502] RDX: 00007f10f05ff41f RSI: 00007ffc1c550df0 RDI: 0000000040000000 [ 54.031358] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc1c550c00 [ 54.032279] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f10f06a7bf0 [ 54.033162] R13: 00007ffc1c550f30 R14: 0000000000000000 R15: 00000000000000f8 [ 54.034087] [ 54.034389] irq event stamp: 12377 [ 54.034839] hardirqs last enabled at (12389): [] __up_console_sem+0x78/0x80 [ 54.035913] hardirqs last disabled at (12400): [] __up_console_sem+0x5d/0x80 [ 54.036996] softirqs last enabled at (11674): [] irq_exit_rcu+0x93/0xc0 [ 54.038039] softirqs last disabled at (11669): [] irq_exit_rcu+0x93/0xc0 [ 54.039082] ---[ end trace 0000000000000000 ]--- executing program [ 55.586167] Bluetooth: hci0: command 0x0409 tx timeout [ 57.633533] Bluetooth: hci0: command 0x041b tx timeout executing program [ 59.682548] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.729556] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 11:52:22 Registers: info registers vcpu 0 RAX=ffffffff846000ae RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888016667f01 RSI=ffff888016667f50 RDI=ffff888016667f50 RBP=ffff888016667638 RSP=ffff888016667568 R8 =ffffffff864a25e4 R9 =ffffffff864a25e8 R10=0000000000038001 R11=ffff888016667620 R12=ffff888016667640 R13=ffff888016667628 R14=ffff888016667f58 R15=ffff8880166675e0 RIP=ffffffff81130bd3 RFL=00000202 [-------] 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 00007f75eaf4b700 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=00007fa5a2172f00 CR3=000000000cf4e000 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=2035323a32353a31312036312079614d XMM01=5d3433303231392e33352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732035 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880145a75f0 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 0000555555ee7400 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=00007fcb966d16f4 CR3=0000000018726000 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