Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:42934' (ECDSA) to the list of known hosts. 2023/05/16 20:41:42 fuzzer started 2023/05/16 20:41:43 dialing manager at localhost:35573 2023/05/16 20:41:43 checking machine... 2023/05/16 20:41:43 checking revisions... syzkaller login: [ 51.193498] kmemleak: Automatic memory scanning thread ended 2023/05/16 20:41:43 testing simple program... [ 51.267383] cgroup: Unknown subsys name 'net' [ 51.396847] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 64.317225] audit: type=1400 audit(1684269716.503:6): avc: denied { execmem } for pid=265 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 65.404720] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 65.406551] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 65.409546] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 65.413035] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 65.414737] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 65.416051] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 65.828206] ------------[ cut here ]------------ [ 65.829077] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 65.831453] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 65.832862] Modules linked in: [ 65.833507] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 65.838639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 65.840072] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 65.841023] 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 [ 65.844028] RSP: 0018:ffff88801a5e7c00 EFLAGS: 00010282 [ 65.844998] RAX: 0000000000000000 RBX: ffff88800f231c40 RCX: 0000000000000000 [ 65.846239] RDX: ffff88801a0c0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 65.847335] RBP: ffff88800f231c54 R08: 0000000000000001 R09: 0000000000000000 [ 65.848245] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 65.849184] R13: ffffffff84e223a0 R14: ffff88800f231c48 R15: ffffffff84d73340 [ 65.850116] FS: 00005555574e8400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 65.851202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.851980] CR2: 00007f21b92476f4 CR3: 000000001a2da000 CR4: 0000000000350ef0 [ 65.852912] Call Trace: [ 65.853256] [ 65.853600] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 65.854241] ipv4_frags_init_net+0x269/0x440 [ 65.854863] ops_init+0xbb/0x6b0 [ 65.855359] setup_net+0x3d9/0x990 [ 65.855829] ? down_read_killable+0x1d7/0x4e0 [ 65.856446] ? __pfx_setup_net+0x10/0x10 [ 65.856983] ? copy_net_ns+0x17c/0x770 [ 65.857531] copy_net_ns+0x321/0x770 [ 65.858035] create_new_namespaces+0x3f6/0xb30 [ 65.858699] unshare_nsproxy_namespaces+0xc1/0x200 [ 65.859362] ksys_unshare+0x44d/0x8e0 [ 65.859882] ? __pfx_ksys_unshare+0x10/0x10 [ 65.860475] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 65.861221] __x64_sys_unshare+0x31/0x40 [ 65.861792] do_syscall_64+0x3f/0x90 [ 65.862289] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 65.863002] RIP: 0033:0x7f5d48d310d7 [ 65.863516] 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 [ 65.865767] RSP: 002b:00007ffcd2bae858 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 65.866767] RAX: ffffffffffffffda RBX: 00007ffcd2baee98 RCX: 00007f5d48d310d7 [ 65.867681] RDX: 00007f5d48d9b41f RSI: 00007ffcd2bae7f0 RDI: 0000000040000000 [ 65.868615] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd2bae600 [ 65.869535] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5d48e43bf0 [ 65.870461] R13: 00007ffcd2bae930 R14: 0000000000000000 R15: 00000000000000f8 [ 65.871892] [ 65.872367] irq event stamp: 8189 [ 65.872957] hardirqs last enabled at (8199): [] __up_console_sem+0x78/0x80 [ 65.874427] hardirqs last disabled at (8210): [] __up_console_sem+0x5d/0x80 [ 65.875909] softirqs last enabled at (7384): [] irq_exit_rcu+0x93/0xc0 [ 65.877353] softirqs last disabled at (7373): [] irq_exit_rcu+0x93/0xc0 [ 65.878780] ---[ end trace 0000000000000000 ]--- [ 65.888757] ------------[ cut here ]------------ [ 65.889497] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 65.891425] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 65.892459] Modules linked in: [ 65.892848] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 65.894146] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 65.895362] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 65.896117] 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 [ 65.898693] RSP: 0018:ffff88801a5e7c00 EFLAGS: 00010282 [ 65.899501] RAX: 0000000000000000 RBX: ffff888013540440 RCX: 0000000000000000 [ 65.900548] RDX: ffff88801a0c0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 65.901584] RBP: ffff888013540454 R08: 0000000000000001 R09: 0000000000000000 [ 65.902650] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 65.903742] R13: ffffffff84e223a0 R14: ffff888013540448 R15: ffffffff84da62e0 [ 65.904795] FS: 00005555574e8400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 65.905969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.906857] CR2: 00007f21b92476f4 CR3: 000000001a2da000 CR4: 0000000000350ef0 [ 65.907900] Call Trace: [ 65.908285] [ 65.908672] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 65.909476] ipv6_frags_init_net+0x206/0x3c0 [ 65.910151] ops_init+0xbb/0x6b0 [ 65.910741] setup_net+0x3d9/0x990 [ 65.911403] ? down_read_killable+0x1d7/0x4e0 [ 65.912094] ? __pfx_setup_net+0x10/0x10 [ 65.912743] ? copy_net_ns+0x17c/0x770 [ 65.913464] copy_net_ns+0x321/0x770 [ 65.914064] create_new_namespaces+0x3f6/0xb30 [ 65.914825] unshare_nsproxy_namespaces+0xc1/0x200 [ 65.915678] ksys_unshare+0x44d/0x8e0 [ 65.916286] ? __pfx_ksys_unshare+0x10/0x10 [ 65.916982] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 65.917871] __x64_sys_unshare+0x31/0x40 [ 65.918580] do_syscall_64+0x3f/0x90 [ 65.919213] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 65.920044] RIP: 0033:0x7f5d48d310d7 [ 65.920718] 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 [ 65.923376] RSP: 002b:00007ffcd2bae858 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 65.924506] RAX: ffffffffffffffda RBX: 00007ffcd2baee98 RCX: 00007f5d48d310d7 [ 65.925557] RDX: 00007f5d48d9b41f RSI: 00007ffcd2bae7f0 RDI: 0000000040000000 [ 65.926733] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd2bae600 [ 65.927790] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5d48e43bf0 [ 65.928900] R13: 00007ffcd2bae930 R14: 0000000000000000 R15: 00000000000000f8 [ 65.929978] [ 65.930449] irq event stamp: 11319 [ 65.930985] hardirqs last enabled at (11329): [] __up_console_sem+0x78/0x80 [ 65.932357] hardirqs last disabled at (11342): [] __up_console_sem+0x5d/0x80 [ 65.933618] softirqs last enabled at (11314): [] irq_exit_rcu+0x93/0xc0 [ 65.934882] softirqs last disabled at (11305): [] irq_exit_rcu+0x93/0xc0 [ 65.936213] ---[ end trace 0000000000000000 ]--- [ 65.937817] ------------[ cut here ]------------ [ 65.938654] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 65.941042] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 65.942395] Modules linked in: [ 65.942891] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 65.944344] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 65.945544] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 65.946302] 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 [ 65.949011] RSP: 0018:ffff88801a5e7bf0 EFLAGS: 00010286 [ 65.949879] RAX: 0000000000000000 RBX: ffff888013540e40 RCX: 0000000000000000 [ 65.950978] RDX: ffff88801a0c0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 65.952031] RBP: ffff888013540e54 R08: 0000000000000001 R09: 0000000000000000 [ 65.953157] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 65.954208] R13: ffffffff84e223a0 R14: ffff888013540e48 R15: ffffffff84daf020 [ 65.955269] FS: 00005555574e8400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 65.956513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.957455] CR2: 00007f21b92476f4 CR3: 000000001a2da000 CR4: 0000000000350ef0 [ 65.958576] Call Trace: [ 65.958966] [ 65.959354] nf_ct_net_init+0x224/0x3d0 [ 65.959964] ? __pfx_nf_ct_net_init+0x10/0x10 [ 65.960714] ops_init+0xbb/0x6b0 [ 65.961295] setup_net+0x3d9/0x990 [ 65.961876] ? down_read_killable+0x1d7/0x4e0 [ 65.962586] ? __pfx_setup_net+0x10/0x10 [ 65.963252] ? copy_net_ns+0x17c/0x770 [ 65.963894] copy_net_ns+0x321/0x770 [ 65.964495] create_new_namespaces+0x3f6/0xb30 [ 65.965202] unshare_nsproxy_namespaces+0xc1/0x200 [ 65.966045] ksys_unshare+0x44d/0x8e0 [ 65.966682] ? __pfx_ksys_unshare+0x10/0x10 [ 65.967366] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 65.968277] __x64_sys_unshare+0x31/0x40 [ 65.968936] do_syscall_64+0x3f/0x90 [ 65.969523] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 65.970280] RIP: 0033:0x7f5d48d310d7 [ 65.970971] 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 [ 65.973565] RSP: 002b:00007ffcd2bae858 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 65.974702] RAX: ffffffffffffffda RBX: 00007ffcd2baee98 RCX: 00007f5d48d310d7 [ 65.975751] RDX: 00007f5d48d9b41f RSI: 00007ffcd2bae7f0 RDI: 0000000040000000 [ 65.976798] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd2bae600 [ 65.977935] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5d48e43bf0 [ 65.979062] R13: 00007ffcd2bae930 R14: 0000000000000000 R15: 00000000000000f8 [ 65.980127] [ 65.980553] irq event stamp: 12243 [ 65.981117] hardirqs last enabled at (12253): [] __up_console_sem+0x78/0x80 [ 65.982384] hardirqs last disabled at (12264): [] __up_console_sem+0x5d/0x80 [ 65.983679] softirqs last enabled at (12214): [] irq_exit_rcu+0x93/0xc0 [ 65.985006] softirqs last disabled at (12203): [] irq_exit_rcu+0x93/0xc0 [ 65.986233] ---[ end trace 0000000000000000 ]--- executing program [ 67.483093] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 69.530402] Bluetooth: hci0: command 0x041b tx timeout [ 71.578390] Bluetooth: hci0: command 0x040f tx timeout executing program [ 73.626404] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:41:43 Registers: info registers vcpu 0 RAX=0000000000000075 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a5e75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000075 R11=0000000000000001 R12=0000000000000075 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 00005555574e8400 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=00007f21b92476f4 CR3=000000001a2da000 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=0000000000000000 RBX=0000000000000000 RCX=ffff888008d95bf8 RDX=1ffffffff0ef344b RSI=0000000000000008 RDI=ffffffff8779a258 RBP=0000000000000001 RSP=ffff888008dcfb80 R8 =0000000000000000 R9 =fffffbfff0ef2d39 R10=ffffffff877969cf R11=0000000000000001 R12=ffff888008d95bd8 R13=ffff888008d951c0 R14=ffffffff8562b9c8 R15=ffffffff8779a1a0 RIP=ffffffff812d1196 RFL=00000046 [---Z-P-] 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 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=00007f627e1ea2c0 CR3=000000000e952000 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=3a6f77c8571b9588534c35bc7e2c09cb XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=ae04ba831ac03b3d000000000013b450 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=63e8b05c3fc42cbe00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000