Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:42600' (ECDSA) to the list of known hosts. 2023/05/16 10:49:28 fuzzer started 2023/05/16 10:49:28 dialing manager at localhost:35573 2023/05/16 10:49:28 checking machine... 2023/05/16 10:49:28 checking revisions... syzkaller login: [ 39.869697] kmemleak: Automatic memory scanning thread ended 2023/05/16 10:49:28 testing simple program... [ 39.942423] cgroup: Unknown subsys name 'net' [ 40.038882] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.400512] audit: type=1400 audit(1684234181.497:6): 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 [ 53.577988] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.580269] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.582046] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.585509] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.587231] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.588640] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.928858] ------------[ cut here ]------------ [ 53.929653] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.931768] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.933054] Modules linked in: [ 53.933582] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.938956] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.940010] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.940704] 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 [ 53.942955] RSP: 0018:ffff88801f217c00 EFLAGS: 00010282 [ 53.943664] RAX: 0000000000000000 RBX: ffff88800e2dd440 RCX: 0000000000000000 [ 53.944584] RDX: ffff8880159fb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.945504] RBP: ffff88800e2dd454 R08: 0000000000000001 R09: 0000000000000000 [ 53.946424] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.947344] R13: ffffffff84e223a0 R14: ffff88800e2dd448 R15: ffffffff84d73340 [ 53.948233] FS: 0000555556a03400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.949246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.950007] CR2: 00007f760e1d16f4 CR3: 000000000ee72000 CR4: 0000000000350ee0 [ 53.950923] Call Trace: [ 53.951257] [ 53.951592] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.952224] ipv4_frags_init_net+0x269/0x440 [ 53.952823] ops_init+0xbb/0x6b0 [ 53.953278] setup_net+0x3d9/0x990 [ 53.953807] ? down_read_killable+0x1d7/0x4e0 [ 53.954460] ? __pfx_setup_net+0x10/0x10 [ 53.954998] ? copy_net_ns+0x17c/0x770 [ 53.955580] copy_net_ns+0x321/0x770 [ 53.956079] create_new_namespaces+0x3f6/0xb30 [ 53.956719] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.957394] ksys_unshare+0x44d/0x8e0 [ 53.957920] ? __pfx_ksys_unshare+0x10/0x10 [ 53.958514] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.959255] __x64_sys_unshare+0x31/0x40 [ 53.959831] do_syscall_64+0x3f/0x90 [ 53.960352] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.961032] RIP: 0033:0x7f77cd2390d7 [ 53.961553] 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 [ 53.963818] RSP: 002b:00007ffe621a72b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.964775] RAX: ffffffffffffffda RBX: 00007ffe621a78f8 RCX: 00007f77cd2390d7 [ 53.965714] RDX: 00007f77cd2a341f RSI: 00007ffe621a7250 RDI: 0000000040000000 [ 53.966659] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe621a7060 [ 53.967551] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f77cd34bbf0 [ 53.968436] R13: 00007ffe621a7390 R14: 0000000000000000 R15: 00000000000000f8 [ 53.969341] [ 53.969651] irq event stamp: 8313 [ 53.970084] hardirqs last enabled at (8323): [] __up_console_sem+0x78/0x80 [ 53.971142] hardirqs last disabled at (8334): [] __up_console_sem+0x5d/0x80 [ 53.972212] softirqs last enabled at (8060): [] irq_exit_rcu+0x93/0xc0 [ 53.973236] softirqs last disabled at (8051): [] irq_exit_rcu+0x93/0xc0 [ 53.974327] ---[ end trace 0000000000000000 ]--- [ 53.980672] ------------[ cut here ]------------ [ 53.981283] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.983264] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.984399] Modules linked in: [ 53.984820] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.986032] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.987086] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.987791] 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 [ 53.990064] RSP: 0018:ffff88801f217c00 EFLAGS: 00010282 [ 53.990775] RAX: 0000000000000000 RBX: ffff88800d9d1440 RCX: 0000000000000000 [ 53.991690] RDX: ffff8880159fb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.992607] RBP: ffff88800d9d1454 R08: 0000000000000001 R09: 0000000000000000 [ 53.993529] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.994460] R13: ffffffff84e223a0 R14: ffff88800d9d1448 R15: ffffffff84da62e0 [ 53.995393] FS: 0000555556a03400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.996421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.997154] CR2: 00007f760e1d16f4 CR3: 000000000ee72000 CR4: 0000000000350ee0 [ 53.998088] Call Trace: [ 53.998451] [ 53.998764] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.999429] ipv6_frags_init_net+0x206/0x3c0 [ 54.000003] ops_init+0xbb/0x6b0 [ 54.000507] setup_net+0x3d9/0x990 [ 54.000981] ? down_read_killable+0x1d7/0x4e0 [ 54.001606] ? __pfx_setup_net+0x10/0x10 [ 54.002149] ? copy_net_ns+0x17c/0x770 [ 54.002708] copy_net_ns+0x321/0x770 [ 54.003208] create_new_namespaces+0x3f6/0xb30 [ 54.003849] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.004516] ksys_unshare+0x44d/0x8e0 [ 54.005025] ? __pfx_ksys_unshare+0x10/0x10 [ 54.005628] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.006417] __x64_sys_unshare+0x31/0x40 [ 54.006953] do_syscall_64+0x3f/0x90 [ 54.007481] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.008148] RIP: 0033:0x7f77cd2390d7 [ 54.008679] 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 [ 54.010899] RSP: 002b:00007ffe621a72b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.011886] RAX: ffffffffffffffda RBX: 00007ffe621a78f8 RCX: 00007f77cd2390d7 [ 54.012804] RDX: 00007f77cd2a341f RSI: 00007ffe621a7250 RDI: 0000000040000000 [ 54.013728] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe621a7060 [ 54.014679] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f77cd34bbf0 [ 54.015606] R13: 00007ffe621a7390 R14: 0000000000000000 R15: 00000000000000f8 [ 54.016530] [ 54.016838] irq event stamp: 10339 [ 54.017282] hardirqs last enabled at (10349): [] __up_console_sem+0x78/0x80 [ 54.018415] hardirqs last disabled at (10362): [] __up_console_sem+0x5d/0x80 [ 54.019523] softirqs last enabled at (9874): [] irq_exit_rcu+0x93/0xc0 [ 54.020587] softirqs last disabled at (9869): [] irq_exit_rcu+0x93/0xc0 [ 54.021664] ---[ end trace 0000000000000000 ]--- [ 54.023046] ------------[ cut here ]------------ [ 54.023742] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.025812] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.026923] Modules linked in: [ 54.027383] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.028573] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.029596] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.030268] 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 [ 54.032512] RSP: 0018:ffff88801f217bf0 EFLAGS: 00010286 [ 54.033178] RAX: 0000000000000000 RBX: ffff88801678fc40 RCX: 0000000000000000 [ 54.034129] RDX: ffff8880159fb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.035047] RBP: ffff88801678fc54 R08: 0000000000000001 R09: 0000000000000000 [ 54.035963] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.036859] R13: ffffffff84e223a0 R14: ffff88801678fc48 R15: ffffffff84daf020 [ 54.037820] FS: 0000555556a03400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.038838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.039607] CR2: 00007f760e1d16f4 CR3: 000000000ee72000 CR4: 0000000000350ee0 [ 54.040516] Call Trace: [ 54.040884] [ 54.041190] nf_ct_net_init+0x224/0x3d0 [ 54.041786] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.042411] ops_init+0xbb/0x6b0 [ 54.042864] setup_net+0x3d9/0x990 [ 54.043359] ? down_read_killable+0x1d7/0x4e0 [ 54.043944] ? __pfx_setup_net+0x10/0x10 [ 54.044508] ? copy_net_ns+0x17c/0x770 [ 54.045024] copy_net_ns+0x321/0x770 [ 54.045562] create_new_namespaces+0x3f6/0xb30 [ 54.046190] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.046870] ksys_unshare+0x44d/0x8e0 [ 54.047405] ? __pfx_ksys_unshare+0x10/0x10 [ 54.047961] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.048738] __x64_sys_unshare+0x31/0x40 [ 54.049271] do_syscall_64+0x3f/0x90 [ 54.049814] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.050517] RIP: 0033:0x7f77cd2390d7 [ 54.050999] 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 [ 54.053250] RSP: 002b:00007ffe621a72b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.054215] RAX: ffffffffffffffda RBX: 00007ffe621a78f8 RCX: 00007f77cd2390d7 [ 54.055119] RDX: 00007f77cd2a341f RSI: 00007ffe621a7250 RDI: 0000000040000000 [ 54.056013] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe621a7060 [ 54.056941] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f77cd34bbf0 [ 54.057908] R13: 00007ffe621a7390 R14: 0000000000000000 R15: 00000000000000f8 [ 54.058846] [ 54.059144] irq event stamp: 11169 [ 54.059636] hardirqs last enabled at (11181): [] __up_console_sem+0x78/0x80 [ 54.060752] hardirqs last disabled at (11192): [] __up_console_sem+0x5d/0x80 [ 54.061875] softirqs last enabled at (11142): [] irq_exit_rcu+0x93/0xc0 [ 54.062942] softirqs last disabled at (11133): [] irq_exit_rcu+0x93/0xc0 [ 54.063987] ---[ end trace 0000000000000000 ]--- executing program [ 55.650049] Bluetooth: hci0: command 0x0409 tx timeout [ 57.697369] Bluetooth: hci0: command 0x041b tx timeout executing program [ 59.745425] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.793391] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:49:39 Registers: info registers vcpu 0 RAX=0000000000030759 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=00007fd1de8d4a80 CR3=00000000164cc000 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=12182c36b319df876245ad6f683e9b78 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d8f3beb6f28791a2000000000013cbe8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f3aeaec6f7b756ae00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020202000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f2175f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555556a03400 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=00007f760e1d16f4 CR3=000000000ee72000 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