Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:28852' (ECDSA) to the list of known hosts. 2023/05/16 23:19:57 fuzzer started 2023/05/16 23:19:57 dialing manager at localhost:35573 2023/05/16 23:19:57 checking machine... 2023/05/16 23:19:57 checking revisions... syzkaller login: [ 37.872445] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:19:57 testing simple program... [ 37.952295] cgroup: Unknown subsys name 'net' [ 38.041602] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.430184] audit: type=1400 audit(1684279211.335:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.539890] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.541608] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.543395] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.546212] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.547879] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.549210] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 52.959987] ------------[ cut here ]------------ [ 52.960811] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.962827] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.964094] Modules linked in: [ 52.964748] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.967317] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.968669] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.969318] 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 [ 52.971672] RSP: 0018:ffff88801a15fc00 EFLAGS: 00010282 [ 52.972370] RAX: 0000000000000000 RBX: ffff88800c5a3c40 RCX: 0000000000000000 [ 52.973318] RDX: ffff88801a140000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.974281] RBP: ffff88800c5a3c54 R08: 0000000000000001 R09: 0000000000000000 [ 52.975232] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.976175] R13: ffffffff84e223a0 R14: ffff88800c5a3c48 R15: ffffffff84d73340 [ 52.977130] FS: 0000555557510400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.978201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.978985] CR2: 00007efc876e66f4 CR3: 000000000dcde000 CR4: 0000000000350ee0 [ 52.979937] Call Trace: [ 52.980279] [ 52.980633] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.981283] ipv4_frags_init_net+0x269/0x440 [ 52.981940] ops_init+0xbb/0x6b0 [ 52.982421] setup_net+0x3d9/0x990 [ 52.982931] ? down_read_killable+0x1d7/0x4e0 [ 52.983566] ? __pfx_setup_net+0x10/0x10 [ 52.984103] ? copy_net_ns+0x17c/0x770 [ 52.984669] copy_net_ns+0x321/0x770 [ 52.985174] create_new_namespaces+0x3f6/0xb30 [ 52.985847] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.986538] ksys_unshare+0x44d/0x8e0 [ 52.987056] ? __pfx_ksys_unshare+0x10/0x10 [ 52.987668] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.988417] __x64_sys_unshare+0x31/0x40 [ 52.988998] do_syscall_64+0x3f/0x90 [ 52.989535] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.990234] RIP: 0033:0x7fc3f48a30d7 [ 52.990763] 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 [ 52.993108] RSP: 002b:00007fffd12f3c88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.994138] RAX: ffffffffffffffda RBX: 00007fffd12f42c8 RCX: 00007fc3f48a30d7 [ 52.995070] RDX: 00007fc3f490d41f RSI: 00007fffd12f3c20 RDI: 0000000040000000 [ 52.996018] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffd12f3a30 [ 52.996967] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc3f49b5bf0 [ 52.997921] R13: 00007fffd12f3d60 R14: 0000000000000000 R15: 00000000000000f8 [ 52.998886] [ 52.999210] irq event stamp: 8975 [ 52.999675] hardirqs last enabled at (8987): [] __up_console_sem+0x78/0x80 [ 53.000795] hardirqs last disabled at (8998): [] __up_console_sem+0x5d/0x80 [ 53.001934] softirqs last enabled at (8510): [] irq_exit_rcu+0x93/0xc0 [ 53.003024] softirqs last disabled at (8455): [] irq_exit_rcu+0x93/0xc0 [ 53.004104] ---[ end trace 0000000000000000 ]--- [ 53.009799] ------------[ cut here ]------------ [ 53.010418] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.012182] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.013302] Modules linked in: [ 53.013775] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.015019] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.016102] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.016823] 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 [ 53.019153] RSP: 0018:ffff88801a15fc00 EFLAGS: 00010282 [ 53.019927] RAX: 0000000000000000 RBX: ffff88800f1ef840 RCX: 0000000000000000 [ 53.020873] RDX: ffff88801a140000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.021843] RBP: ffff88800f1ef854 R08: 0000000000000001 R09: 0000000000000000 [ 53.022784] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.023737] R13: ffffffff84e223a0 R14: ffff88800f1ef848 R15: ffffffff84da62e0 [ 53.024677] FS: 0000555557510400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.025752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.026541] CR2: 00007efc876e66f4 CR3: 000000000dcde000 CR4: 0000000000350ee0 [ 53.027448] Call Trace: [ 53.027821] [ 53.028131] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.028804] ipv6_frags_init_net+0x206/0x3c0 [ 53.029394] ops_init+0xbb/0x6b0 [ 53.029914] setup_net+0x3d9/0x990 [ 53.030393] ? down_read_killable+0x1d7/0x4e0 [ 53.031032] ? __pfx_setup_net+0x10/0x10 [ 53.031601] ? copy_net_ns+0x17c/0x770 [ 53.032127] copy_net_ns+0x321/0x770 [ 53.032664] create_new_namespaces+0x3f6/0xb30 [ 53.033286] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.033987] ksys_unshare+0x44d/0x8e0 [ 53.034531] ? __pfx_ksys_unshare+0x10/0x10 [ 53.035124] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.035927] __x64_sys_unshare+0x31/0x40 [ 53.036510] do_syscall_64+0x3f/0x90 [ 53.037020] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.037751] RIP: 0033:0x7fc3f48a30d7 [ 53.038241] 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 [ 53.040521] RSP: 002b:00007fffd12f3c88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.041544] RAX: ffffffffffffffda RBX: 00007fffd12f42c8 RCX: 00007fc3f48a30d7 [ 53.042446] RDX: 00007fc3f490d41f RSI: 00007fffd12f3c20 RDI: 0000000040000000 [ 53.043398] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffd12f3a30 [ 53.044350] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc3f49b5bf0 [ 53.045292] R13: 00007fffd12f3d60 R14: 0000000000000000 R15: 00000000000000f8 [ 53.046548] [ 53.046922] irq event stamp: 10749 [ 53.047448] hardirqs last enabled at (10759): [] __up_console_sem+0x78/0x80 [ 53.048800] hardirqs last disabled at (10772): [] __up_console_sem+0x5d/0x80 [ 53.050154] softirqs last enabled at (10338): [] irq_exit_rcu+0x93/0xc0 [ 53.051441] softirqs last disabled at (10333): [] irq_exit_rcu+0x93/0xc0 [ 53.052727] ---[ end trace 0000000000000000 ]--- [ 53.054971] ------------[ cut here ]------------ [ 53.055729] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.058150] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.059313] Modules linked in: [ 53.059756] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.060917] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.061947] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.062627] 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 [ 53.064803] RSP: 0018:ffff88801a15fbf0 EFLAGS: 00010286 [ 53.065452] RAX: 0000000000000000 RBX: ffff888013bcba40 RCX: 0000000000000000 [ 53.066348] RDX: ffff88801a140000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.067247] RBP: ffff888013bcba54 R08: 0000000000000001 R09: 0000000000000000 [ 53.068153] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.069080] R13: ffffffff84e223a0 R14: ffff888013bcba48 R15: ffffffff84daf020 [ 53.070053] FS: 0000555557510400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.071052] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.071834] CR2: 00007efc876e66f4 CR3: 000000000dcde000 CR4: 0000000000350ee0 [ 53.072760] Call Trace: [ 53.073094] [ 53.073407] nf_ct_net_init+0x224/0x3d0 [ 53.073965] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.074566] ops_init+0xbb/0x6b0 [ 53.075023] setup_net+0x3d9/0x990 [ 53.075511] ? down_read_killable+0x1d7/0x4e0 [ 53.076081] ? __pfx_setup_net+0x10/0x10 [ 53.076615] ? copy_net_ns+0x17c/0x770 [ 53.077121] copy_net_ns+0x321/0x770 [ 53.077646] create_new_namespaces+0x3f6/0xb30 [ 53.078285] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.078936] ksys_unshare+0x44d/0x8e0 [ 53.079433] ? __pfx_ksys_unshare+0x10/0x10 [ 53.080021] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.080778] __x64_sys_unshare+0x31/0x40 [ 53.081305] do_syscall_64+0x3f/0x90 [ 53.081828] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.082509] RIP: 0033:0x7fc3f48a30d7 [ 53.082984] 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 [ 53.085210] RSP: 002b:00007fffd12f3c88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.086242] RAX: ffffffffffffffda RBX: 00007fffd12f42c8 RCX: 00007fc3f48a30d7 [ 53.087155] RDX: 00007fc3f490d41f RSI: 00007fffd12f3c20 RDI: 0000000040000000 [ 53.088072] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffd12f3a30 [ 53.089000] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc3f49b5bf0 [ 53.089947] R13: 00007fffd12f3d60 R14: 0000000000000000 R15: 00000000000000f8 [ 53.090880] [ 53.091188] irq event stamp: 11549 [ 53.091659] hardirqs last enabled at (11561): [] __up_console_sem+0x78/0x80 [ 53.092777] hardirqs last disabled at (11572): [] __up_console_sem+0x5d/0x80 [ 53.093889] softirqs last enabled at (11186): [] irq_exit_rcu+0x93/0xc0 [ 53.094947] softirqs last disabled at (11181): [] irq_exit_rcu+0x93/0xc0 [ 53.096003] ---[ end trace 0000000000000000 ]--- [ 54.620267] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.667551] Bluetooth: hci0: command 0x041b tx timeout [ 58.715547] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.763555] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:20:11 Registers: info registers vcpu 0 RAX=0000000080000001 RBX=0000000000000002 RCX=ffffffff813acc91 RDX=ffff888016e60000 RSI=0000000000000000 RDI=0000000000000005 RBP=00000000fffc3db3 RSP=ffff888016e6f898 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000002 R11=0000000000000001 R12=3ffffffffffffffe R13=00000000fffc3db3 R14=ffff888008c00000 R15=dffffc0000000000 RIP=ffffffff814bf87b 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 00007f252b788900 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=00007f252abd7ad0 CR3=000000000eb54000 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=51051910aec25f942c4f979592b53865 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=a9487662962497fb000000000013c6a0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=4a79b8281190783100000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000036 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a15f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000036 R11=0000000000000001 R12=0000000000000036 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 0000555557510400 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=00007efc876e66f4 CR3=000000000dcde000 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