Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:51026' (ECDSA) to the list of known hosts. 2023/05/17 02:15:03 fuzzer started 2023/05/17 02:15:03 dialing manager at localhost:35573 2023/05/17 02:15:03 checking machine... 2023/05/17 02:15:03 checking revisions... syzkaller login: [ 36.912023] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:15:03 testing simple program... [ 36.987079] cgroup: Unknown subsys name 'net' [ 37.059479] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.103913] audit: type=1400 audit(1684289717.951:6): avc: denied { execmem } for pid=260 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 [ 52.226271] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.228406] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.236838] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.240357] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.242913] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.244074] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.664962] ------------[ cut here ]------------ [ 52.665650] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.667760] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.668978] Modules linked in: [ 52.669401] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.674233] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.675395] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.676192] 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 [ 52.678671] RSP: 0018:ffff88801fe6fc00 EFLAGS: 00010282 [ 52.679371] RAX: 0000000000000000 RBX: ffff88800e8ec040 RCX: 0000000000000000 [ 52.680409] RDX: ffff888019173680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.681485] RBP: ffff88800e8ec054 R08: 0000000000000001 R09: 0000000000000000 [ 52.682510] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.683526] R13: ffffffff84e223a0 R14: ffff88800e8ec048 R15: ffffffff84d73340 [ 52.684532] FS: 0000555555902400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.685861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.686786] CR2: 00007f88e44fb6f4 CR3: 000000000ea70000 CR4: 0000000000350ee0 [ 52.687717] Call Trace: [ 52.688056] [ 52.688361] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.689054] ipv4_frags_init_net+0x269/0x440 [ 52.689662] ops_init+0xbb/0x6b0 [ 52.690119] setup_net+0x3d9/0x990 [ 52.690623] ? down_read_killable+0x1d7/0x4e0 [ 52.691215] ? __pfx_setup_net+0x10/0x10 [ 52.691765] ? copy_net_ns+0x17c/0x770 [ 52.692297] copy_net_ns+0x321/0x770 [ 52.692843] create_new_namespaces+0x3f6/0xb30 [ 52.693476] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.694174] ksys_unshare+0x44d/0x8e0 [ 52.694727] ? __pfx_ksys_unshare+0x10/0x10 [ 52.695314] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.696098] __x64_sys_unshare+0x31/0x40 [ 52.696682] do_syscall_64+0x3f/0x90 [ 52.697179] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.697882] RIP: 0033:0x7f638d9470d7 [ 52.698373] 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 [ 52.700721] RSP: 002b:00007fff54cf4058 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.701752] RAX: ffffffffffffffda RBX: 00007fff54cf4698 RCX: 00007f638d9470d7 [ 52.702703] RDX: 00007f638d9b141f RSI: 00007fff54cf3ff0 RDI: 0000000040000000 [ 52.703611] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff54cf3e00 [ 52.704501] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f638da59bf0 [ 52.705438] R13: 00007fff54cf4130 R14: 0000000000000000 R15: 00000000000000f8 [ 52.706392] [ 52.706737] irq event stamp: 8271 [ 52.707172] hardirqs last enabled at (8281): [] __up_console_sem+0x78/0x80 [ 52.708272] hardirqs last disabled at (8292): [] __up_console_sem+0x5d/0x80 [ 52.709377] softirqs last enabled at (7944): [] irq_exit_rcu+0x93/0xc0 [ 52.710464] softirqs last disabled at (7897): [] irq_exit_rcu+0x93/0xc0 [ 52.711530] ---[ end trace 0000000000000000 ]--- [ 52.717628] ------------[ cut here ]------------ [ 52.718242] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.720138] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.721269] Modules linked in: [ 52.721726] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.722932] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.723976] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.724688] 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 [ 52.726956] RSP: 0018:ffff88801fe6fc00 EFLAGS: 00010282 [ 52.727671] RAX: 0000000000000000 RBX: ffff888013a23440 RCX: 0000000000000000 [ 52.728610] RDX: ffff888019173680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.729517] RBP: ffff888013a23454 R08: 0000000000000001 R09: 0000000000000000 [ 52.730458] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.731387] R13: ffffffff84e223a0 R14: ffff888013a23448 R15: ffffffff84da62e0 [ 52.732335] FS: 0000555555902400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.733414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.734191] CR2: 00007f88e44fb6f4 CR3: 000000000ea70000 CR4: 0000000000350ee0 [ 52.735118] Call Trace: [ 52.735452] [ 52.735793] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.736424] ipv6_frags_init_net+0x206/0x3c0 [ 52.737045] ops_init+0xbb/0x6b0 [ 52.737499] setup_net+0x3d9/0x990 [ 52.738000] ? down_read_killable+0x1d7/0x4e0 [ 52.738622] ? __pfx_setup_net+0x10/0x10 [ 52.739148] ? copy_net_ns+0x17c/0x770 [ 52.739700] copy_net_ns+0x321/0x770 [ 52.740192] create_new_namespaces+0x3f6/0xb30 [ 52.740857] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.741508] ksys_unshare+0x44d/0x8e0 [ 52.742056] ? __pfx_ksys_unshare+0x10/0x10 [ 52.742658] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.743398] __x64_sys_unshare+0x31/0x40 [ 52.743979] do_syscall_64+0x3f/0x90 [ 52.744467] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.745170] RIP: 0033:0x7f638d9470d7 [ 52.745688] 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 [ 52.747936] RSP: 002b:00007fff54cf4058 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.748929] RAX: ffffffffffffffda RBX: 00007fff54cf4698 RCX: 00007f638d9470d7 [ 52.749867] RDX: 00007f638d9b141f RSI: 00007fff54cf3ff0 RDI: 0000000040000000 [ 52.750792] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff54cf3e00 [ 52.751724] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f638da59bf0 [ 52.752676] R13: 00007fff54cf4130 R14: 0000000000000000 R15: 00000000000000f8 [ 52.753628] [ 52.753935] irq event stamp: 10303 [ 52.754380] hardirqs last enabled at (10313): [] __up_console_sem+0x78/0x80 [ 52.755485] hardirqs last disabled at (10324): [] __up_console_sem+0x5d/0x80 [ 52.756614] softirqs last enabled at (10240): [] irq_exit_rcu+0x93/0xc0 [ 52.757703] softirqs last disabled at (10231): [] irq_exit_rcu+0x93/0xc0 [ 52.758787] ---[ end trace 0000000000000000 ]--- [ 52.760159] ------------[ cut here ]------------ [ 52.760836] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.762829] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.763920] Modules linked in: [ 52.764333] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.765538] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.766598] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.767273] 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 [ 52.769594] RSP: 0018:ffff88801fe6fbf0 EFLAGS: 00010286 [ 52.770290] RAX: 0000000000000000 RBX: ffff888013a22e40 RCX: 0000000000000000 [ 52.771242] RDX: ffff888019173680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.772187] RBP: ffff888013a22e54 R08: 0000000000000001 R09: 0000000000000000 [ 52.773152] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.774087] R13: ffffffff84e223a0 R14: ffff888013a22e48 R15: ffffffff84daf020 [ 52.775045] FS: 0000555555902400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.776109] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.776932] CR2: 00007f88e44fb6f4 CR3: 000000000ea70000 CR4: 0000000000350ee0 [ 52.777921] Call Trace: [ 52.778263] [ 52.778603] nf_ct_net_init+0x224/0x3d0 [ 52.779141] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.779782] ops_init+0xbb/0x6b0 [ 52.780254] setup_net+0x3d9/0x990 [ 52.780794] ? down_read_killable+0x1d7/0x4e0 [ 52.781398] ? __pfx_setup_net+0x10/0x10 [ 52.781965] ? copy_net_ns+0x17c/0x770 [ 52.782502] copy_net_ns+0x321/0x770 [ 52.783037] create_new_namespaces+0x3f6/0xb30 [ 52.783699] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.784350] ksys_unshare+0x44d/0x8e0 [ 52.784881] ? __pfx_ksys_unshare+0x10/0x10 [ 52.785426] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.786184] __x64_sys_unshare+0x31/0x40 [ 52.786735] do_syscall_64+0x3f/0x90 [ 52.787212] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.787887] RIP: 0033:0x7f638d9470d7 [ 52.788350] 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 [ 52.790524] RSP: 002b:00007fff54cf4058 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.791466] RAX: ffffffffffffffda RBX: 00007fff54cf4698 RCX: 00007f638d9470d7 [ 52.792359] RDX: 00007f638d9b141f RSI: 00007fff54cf3ff0 RDI: 0000000040000000 [ 52.793303] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff54cf3e00 [ 52.794199] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f638da59bf0 [ 52.795107] R13: 00007fff54cf4130 R14: 0000000000000000 R15: 00000000000000f8 [ 52.796023] [ 52.796323] irq event stamp: 11053 [ 52.796794] hardirqs last enabled at (11065): [] __up_console_sem+0x78/0x80 [ 52.797863] hardirqs last disabled at (11076): [] __up_console_sem+0x5d/0x80 [ 52.798925] softirqs last enabled at (10240): [] irq_exit_rcu+0x93/0xc0 [ 52.799959] softirqs last disabled at (10231): [] irq_exit_rcu+0x93/0xc0 [ 52.801024] ---[ end trace 0000000000000000 ]--- [ 54.310175] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.358717] Bluetooth: hci0: command 0x041b tx timeout executing program [ 58.405701] Bluetooth: hci0: command 0x040f tx timeout [ 60.453644] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:15:18 Registers: info registers vcpu 0 RAX=000000000000000b RBX=0000000000000003 RCX=ffffffff812d1482 RDX=fffffbfff0ef2d45 RSI=0000000000000008 RDI=ffffffff87796a18 RBP=00000000000002f8 RSP=ffff8880159476d0 R8 =0000000000000000 R9 =fffffbfff0ef2d44 R10=ffffffff87796a27 R11=0000000000000001 R12=ffff88800c56c070 R13=ffff88800c56b680 R14=dffffc0000000000 R15=0000000000000002 RIP=ffffffff812d147d RFL=00000013 [----A-C] 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 00007f21a15c1700 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=00007f569b20cbc0 CR3=0000000016532000 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=2039313a35313a32302037312079614d XMM01=5d3036373736362e32352020205b203a XMM02=74656e20746120313632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120313632203a4449 XMM06=57205d3036373736362e32352020205b XMM07=79732039313a35313a32302037312079 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=ffff88801fe6f5f0 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 0000555555902400 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=00007f88e44fb6f4 CR3=000000000ea70000 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