Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:2760' (ECDSA) to the list of known hosts. 2023/05/17 04:17:08 fuzzer started 2023/05/17 04:17:08 dialing manager at localhost:35573 2023/05/17 04:17:08 checking machine... 2023/05/17 04:17:08 checking revisions... syzkaller login: [ 39.611238] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:17:08 testing simple program... [ 39.682565] cgroup: Unknown subsys name 'net' [ 39.779582] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.360070] audit: type=1400 audit(1684297042.652:6): 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 executing program [ 54.470917] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.473376] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.474885] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.478770] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.480837] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.482142] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.880665] ------------[ cut here ]------------ [ 54.881450] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.883696] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.884911] Modules linked in: [ 54.885505] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.890904] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.892031] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.892761] 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 [ 54.895245] RSP: 0018:ffff88801fdefc00 EFLAGS: 00010282 [ 54.895998] RAX: 0000000000000000 RBX: ffff88800f280c40 RCX: 0000000000000000 [ 54.896994] RDX: ffff8880190b1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.897975] RBP: ffff88800f280c54 R08: 0000000000000001 R09: 0000000000000000 [ 54.899009] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.899994] R13: ffffffff84e223a0 R14: ffff88800f280c48 R15: ffffffff84d73340 [ 54.901017] FS: 0000555557237400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.902129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.902965] CR2: 00007ffed17f1000 CR3: 000000000ef52000 CR4: 0000000000350ee0 [ 54.903955] Call Trace: [ 54.904354] [ 54.904697] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.905395] ipv4_frags_init_net+0x269/0x440 [ 54.906010] ops_init+0xbb/0x6b0 [ 54.906535] setup_net+0x3d9/0x990 [ 54.907023] ? down_read_killable+0x1d7/0x4e0 [ 54.907690] ? __pfx_setup_net+0x10/0x10 [ 54.908315] ? copy_net_ns+0x17c/0x770 [ 54.908884] copy_net_ns+0x321/0x770 [ 54.909449] create_new_namespaces+0x3f6/0xb30 [ 54.910157] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.910865] ksys_unshare+0x44d/0x8e0 [ 54.911438] ? __pfx_ksys_unshare+0x10/0x10 [ 54.912095] ? task_work_run+0x203/0x280 [ 54.912696] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.913498] ? __do_softirq+0x6d4/0x7d4 [ 54.914132] __x64_sys_unshare+0x31/0x40 [ 54.914769] do_syscall_64+0x3f/0x90 [ 54.915333] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.916073] RIP: 0033:0x7f11c127d0d7 [ 54.916584] 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 [ 54.918995] RSP: 002b:00007ffd103f7d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.920030] RAX: ffffffffffffffda RBX: 00007ffd103f8368 RCX: 00007f11c127d0d7 [ 54.921075] RDX: 00007f11c12e741f RSI: 00007ffd103f7cc0 RDI: 0000000040000000 [ 54.922031] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd103f7ad0 [ 54.923060] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f11c138fbf0 [ 54.924002] R13: 00007ffd103f7e00 R14: 0000000000000000 R15: 00000000000000f8 [ 54.925005] [ 54.925359] irq event stamp: 8395 [ 54.925820] hardirqs last enabled at (8405): [] __up_console_sem+0x78/0x80 [ 54.926978] hardirqs last disabled at (8416): [] __up_console_sem+0x5d/0x80 [ 54.928139] softirqs last enabled at (7892): [] irq_exit_rcu+0x93/0xc0 [ 54.929282] softirqs last disabled at (7865): [] irq_exit_rcu+0x93/0xc0 [ 54.930414] ---[ end trace 0000000000000000 ]--- [ 54.936243] ------------[ cut here ]------------ [ 54.936897] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.938723] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.939882] Modules linked in: [ 54.940377] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.941671] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.942803] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.943536] 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 [ 54.945946] RSP: 0018:ffff88801fdefc00 EFLAGS: 00010282 [ 54.946714] RAX: 0000000000000000 RBX: ffff8880069fc640 RCX: 0000000000000000 [ 54.947691] RDX: ffff8880190b1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.948699] RBP: ffff8880069fc654 R08: 0000000000000001 R09: 0000000000000000 [ 54.949718] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.950715] R13: ffffffff84e223a0 R14: ffff8880069fc648 R15: ffffffff84da62e0 [ 54.951703] FS: 0000555557237400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.952821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.953685] CR2: 00007ffed17f1000 CR3: 000000000ef52000 CR4: 0000000000350ee0 [ 54.954695] Call Trace: [ 54.955079] [ 54.955398] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.956084] ipv6_frags_init_net+0x206/0x3c0 [ 54.956697] ops_init+0xbb/0x6b0 [ 54.957230] setup_net+0x3d9/0x990 [ 54.957716] ? down_read_killable+0x1d7/0x4e0 [ 54.958357] ? __pfx_setup_net+0x10/0x10 [ 54.958940] ? copy_net_ns+0x17c/0x770 [ 54.959516] copy_net_ns+0x321/0x770 [ 54.960032] create_new_namespaces+0x3f6/0xb30 [ 54.960706] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.961436] ksys_unshare+0x44d/0x8e0 [ 54.962014] ? __pfx_ksys_unshare+0x10/0x10 [ 54.962665] ? task_work_run+0x203/0x280 [ 54.963290] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.964091] ? __do_softirq+0x6d4/0x7d4 [ 54.964659] __x64_sys_unshare+0x31/0x40 [ 54.965266] do_syscall_64+0x3f/0x90 [ 54.965808] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.966568] RIP: 0033:0x7f11c127d0d7 [ 54.967101] 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 [ 54.969506] RSP: 002b:00007ffd103f7d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.970575] RAX: ffffffffffffffda RBX: 00007ffd103f8368 RCX: 00007f11c127d0d7 [ 54.971574] RDX: 00007f11c12e741f RSI: 00007ffd103f7cc0 RDI: 0000000040000000 [ 54.972539] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd103f7ad0 [ 54.973514] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f11c138fbf0 [ 54.974500] R13: 00007ffd103f7e00 R14: 0000000000000000 R15: 00000000000000f8 [ 54.975523] [ 54.975851] irq event stamp: 10159 [ 54.976365] hardirqs last enabled at (10171): [] __up_console_sem+0x78/0x80 [ 54.977542] hardirqs last disabled at (10182): [] __up_console_sem+0x5d/0x80 [ 54.978741] softirqs last enabled at (9806): [] irq_exit_rcu+0x93/0xc0 [ 54.979876] softirqs last disabled at (9793): [] irq_exit_rcu+0x93/0xc0 [ 54.981009] ---[ end trace 0000000000000000 ]--- [ 54.982522] ------------[ cut here ]------------ [ 54.983190] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.985314] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.986500] Modules linked in: [ 54.986948] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.988222] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.989335] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.990076] 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 [ 54.992491] RSP: 0018:ffff88801fdefbf0 EFLAGS: 00010286 [ 54.993243] RAX: 0000000000000000 RBX: ffff8880069fcc40 RCX: 0000000000000000 [ 54.994226] RDX: ffff8880190b1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.995230] RBP: ffff8880069fcc54 R08: 0000000000000001 R09: 0000000000000000 [ 54.996215] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.997211] R13: ffffffff84e223a0 R14: ffff8880069fcc48 R15: ffffffff84daf020 [ 54.998192] FS: 0000555557237400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.999301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.000118] CR2: 00007ffed17f1000 CR3: 000000000ef52000 CR4: 0000000000350ee0 [ 55.001095] Call Trace: [ 55.001456] [ 55.001783] nf_ct_net_init+0x224/0x3d0 [ 55.002386] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.003027] ops_init+0xbb/0x6b0 [ 55.003563] setup_net+0x3d9/0x990 [ 55.004094] ? down_read_killable+0x1d7/0x4e0 [ 55.004713] ? __pfx_setup_net+0x10/0x10 [ 55.005302] ? copy_net_ns+0x17c/0x770 [ 55.005856] copy_net_ns+0x321/0x770 [ 55.006411] create_new_namespaces+0x3f6/0xb30 [ 55.007113] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.007793] ksys_unshare+0x44d/0x8e0 [ 55.008370] ? __pfx_ksys_unshare+0x10/0x10 [ 55.008966] ? task_work_run+0x203/0x280 [ 55.009578] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.010375] ? __do_softirq+0x6d4/0x7d4 [ 55.010964] __x64_sys_unshare+0x31/0x40 [ 55.011568] do_syscall_64+0x3f/0x90 [ 55.012125] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.012843] RIP: 0033:0x7f11c127d0d7 [ 55.013396] 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 [ 55.015828] RSP: 002b:00007ffd103f7d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.016879] RAX: ffffffffffffffda RBX: 00007ffd103f8368 RCX: 00007f11c127d0d7 [ 55.017851] RDX: 00007f11c12e741f RSI: 00007ffd103f7cc0 RDI: 0000000040000000 [ 55.018844] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd103f7ad0 [ 55.019821] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f11c138fbf0 [ 55.020807] R13: 00007ffd103f7e00 R14: 0000000000000000 R15: 00000000000000f8 [ 55.021812] [ 55.022172] irq event stamp: 10963 [ 55.022663] hardirqs last enabled at (10973): [] __up_console_sem+0x78/0x80 [ 55.023833] hardirqs last disabled at (10984): [] __up_console_sem+0x5d/0x80 [ 55.025006] softirqs last enabled at (10574): [] irq_exit_rcu+0x93/0xc0 [ 55.026191] softirqs last disabled at (10569): [] irq_exit_rcu+0x93/0xc0 [ 55.027387] ---[ end trace 0000000000000000 ]--- [ 56.553760] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.601115] Bluetooth: hci0: command 0x041b tx timeout executing program [ 60.649141] Bluetooth: hci0: command 0x040f tx timeout [ 62.697121] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:17:20 Registers: info registers vcpu 0 RAX=0000000000024e77 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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 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=00007fd217b92448 CR3=000000000db0a000 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=ae09fa087a5a3db0924f560e5991d1de XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=ee24d87d05ce9968000000000013bbd0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=c3654266a672f73800000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fdef598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe4fd1 R15=dffffc0000000000 RIP=ffffffff82507645 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 0000555557237400 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=00007ffed17f1000 CR3=000000000ef52000 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