Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:43392' (ECDSA) to the list of known hosts. 2023/05/17 17:40:19 fuzzer started 2023/05/17 17:40:19 dialing manager at localhost:44319 2023/05/17 17:40:19 checking machine... 2023/05/17 17:40:19 checking revisions... syzkaller login: [ 37.550420] kmemleak: Automatic memory scanning thread ended 2023/05/17 17:40:20 testing simple program... [ 37.623085] cgroup: Unknown subsys name 'net' [ 37.696325] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.373256] audit: type=1400 audit(1684345232.901:6): avc: denied { execmem } for pid=255 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.498343] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.499867] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.501403] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.503513] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.505539] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.506566] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.896923] ------------[ cut here ]------------ [ 51.897684] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.899590] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.900879] Modules linked in: [ 51.901365] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.903860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.906481] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.907582] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 51.910302] RSP: 0018:ffff88801f9a7c00 EFLAGS: 00010282 [ 51.911177] RAX: 0000000000000000 RBX: ffff88800ff82040 RCX: 0000000000000000 [ 51.912310] RDX: ffff888015883680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.913424] RBP: ffff88800ff82054 R08: 0000000000000001 R09: 0000000000000000 [ 51.914594] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.915687] R13: ffffffff84e23fe0 R14: ffff88800ff82048 R15: ffffffff84d74dc0 [ 51.916779] FS: 0000555556555400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.918039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.918971] CR2: 00007f66291796f4 CR3: 000000000efec000 CR4: 0000000000350ef0 [ 51.920096] Call Trace: [ 51.920499] [ 51.920917] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.921718] ipv4_frags_init_net+0x269/0x440 [ 51.922420] ops_init+0xbb/0x6b0 [ 51.923019] setup_net+0x3d9/0x990 [ 51.923585] ? down_read_killable+0x1d7/0x4e0 [ 51.924339] ? __pfx_setup_net+0x10/0x10 [ 51.925010] ? copy_net_ns+0x17c/0x770 [ 51.925635] copy_net_ns+0x321/0x770 [ 51.926279] create_new_namespaces+0x3f6/0xb30 [ 51.927050] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.927872] ksys_unshare+0x44d/0x8e0 [ 51.928480] ? __pfx_ksys_unshare+0x10/0x10 [ 51.929204] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.930142] __x64_sys_unshare+0x31/0x40 [ 51.930823] do_syscall_64+0x3f/0x90 [ 51.931406] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.932251] RIP: 0033:0x7f0d740290d7 [ 51.932862] 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 [ 51.935614] RSP: 002b:00007ffcdd40bee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.936803] RAX: ffffffffffffffda RBX: 00007ffcdd40c528 RCX: 00007f0d740290d7 [ 51.937933] RDX: 00007f0d7409341f RSI: 00007ffcdd40be80 RDI: 0000000040000000 [ 51.939082] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdd40bc90 [ 51.940202] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0d7413bbf0 [ 51.941321] R13: 00007ffcdd40bfc0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.942266] [ 51.942578] irq event stamp: 7509 [ 51.943039] hardirqs last enabled at (7521): [] __up_console_sem+0x78/0x80 [ 51.944113] hardirqs last disabled at (7532): [] __up_console_sem+0x5d/0x80 [ 51.945176] softirqs last enabled at (7058): [] irq_exit_rcu+0x93/0xc0 [ 51.946238] softirqs last disabled at (7003): [] irq_exit_rcu+0x93/0xc0 [ 51.947280] ---[ end trace 0000000000000000 ]--- [ 51.953909] ------------[ cut here ]------------ [ 51.954523] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.956165] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.957240] Modules linked in: [ 51.957688] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.958866] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.959891] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.960537] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 51.962707] RSP: 0018:ffff88801f9a7c00 EFLAGS: 00010282 [ 51.963365] RAX: 0000000000000000 RBX: ffff888014503e40 RCX: 0000000000000000 [ 51.964260] RDX: ffff888015883680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.965155] RBP: ffff888014503e54 R08: 0000000000000001 R09: 0000000000000000 [ 51.966071] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.966974] R13: ffffffff84e23fe0 R14: ffff888014503e48 R15: ffffffff84da7d60 [ 51.967869] FS: 0000555556555400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.968856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.969560] CR2: 00007f66291796f4 CR3: 000000000efec000 CR4: 0000000000350ef0 [ 51.970480] Call Trace: [ 51.970851] [ 51.971158] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.971811] ipv6_frags_init_net+0x206/0x3c0 [ 51.972379] ops_init+0xbb/0x6b0 [ 51.972871] setup_net+0x3d9/0x990 [ 51.973335] ? down_read_killable+0x1d7/0x4e0 [ 51.973954] ? __pfx_setup_net+0x10/0x10 [ 51.974480] ? copy_net_ns+0x17c/0x770 [ 51.975034] copy_net_ns+0x321/0x770 [ 51.975526] create_new_namespaces+0x3f6/0xb30 [ 51.976148] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.976811] ksys_unshare+0x44d/0x8e0 [ 51.977306] ? __pfx_ksys_unshare+0x10/0x10 [ 51.977885] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.978863] __x64_sys_unshare+0x31/0x40 [ 51.979512] do_syscall_64+0x3f/0x90 [ 51.980145] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.980995] RIP: 0033:0x7f0d740290d7 [ 51.981575] 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 [ 51.984307] RSP: 002b:00007ffcdd40bee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.985479] RAX: ffffffffffffffda RBX: 00007ffcdd40c528 RCX: 00007f0d740290d7 [ 51.986594] RDX: 00007f0d7409341f RSI: 00007ffcdd40be80 RDI: 0000000040000000 [ 51.987705] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdd40bc90 [ 51.988828] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0d7413bbf0 [ 51.989949] R13: 00007ffcdd40bfc0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.991121] [ 51.991495] irq event stamp: 9759 [ 51.992059] hardirqs last enabled at (9771): [] __up_console_sem+0x78/0x80 [ 51.993378] hardirqs last disabled at (9782): [] __up_console_sem+0x5d/0x80 [ 51.994725] softirqs last enabled at (8346): [] irq_exit_rcu+0x93/0xc0 [ 51.996015] softirqs last disabled at (8293): [] irq_exit_rcu+0x93/0xc0 [ 51.997303] ---[ end trace 0000000000000000 ]--- [ 51.998827] ------------[ cut here ]------------ [ 51.999538] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.001804] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.003129] Modules linked in: [ 52.003630] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.005132] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.006411] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.007250] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 52.009953] RSP: 0018:ffff88801f9a7bf0 EFLAGS: 00010286 [ 52.010831] RAX: 0000000000000000 RBX: ffff8880139e9a40 RCX: 0000000000000000 [ 52.011953] RDX: ffff888015883680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.013069] RBP: ffff8880139e9a54 R08: 0000000000000001 R09: 0000000000000000 [ 52.014166] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.015272] R13: ffffffff84e23fe0 R14: ffff8880139e9a48 R15: ffffffff84db0aa0 [ 52.016389] FS: 0000555556555400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.017416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.018193] CR2: 00007f66291796f4 CR3: 000000000efec000 CR4: 0000000000350ef0 [ 52.019099] Call Trace: [ 52.019433] [ 52.019783] nf_ct_net_init+0x224/0x3d0 [ 52.020313] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.020929] ops_init+0xbb/0x6b0 [ 52.021382] setup_net+0x3d9/0x990 [ 52.021881] ? down_read_killable+0x1d7/0x4e0 [ 52.022464] ? __pfx_setup_net+0x10/0x10 [ 52.023017] ? copy_net_ns+0x17c/0x770 [ 52.023538] copy_net_ns+0x321/0x770 [ 52.024060] create_new_namespaces+0x3f6/0xb30 [ 52.024680] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.025296] ksys_unshare+0x44d/0x8e0 [ 52.025819] ? __pfx_ksys_unshare+0x10/0x10 [ 52.026375] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.027120] __x64_sys_unshare+0x31/0x40 [ 52.027676] do_syscall_64+0x3f/0x90 [ 52.028158] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.028842] RIP: 0033:0x7f0d740290d7 [ 52.029318] 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 [ 52.031529] RSP: 002b:00007ffcdd40bee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.032483] RAX: ffffffffffffffda RBX: 00007ffcdd40c528 RCX: 00007f0d740290d7 [ 52.033389] RDX: 00007f0d7409341f RSI: 00007ffcdd40be80 RDI: 0000000040000000 [ 52.034290] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdd40bc90 [ 52.035189] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0d7413bbf0 [ 52.036073] R13: 00007ffcdd40bfc0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.036987] [ 52.037298] irq event stamp: 10495 [ 52.037768] hardirqs last enabled at (10507): [] __up_console_sem+0x78/0x80 [ 52.038865] hardirqs last disabled at (10518): [] __up_console_sem+0x5d/0x80 [ 52.039935] softirqs last enabled at (10096): [] irq_exit_rcu+0x93/0xc0 [ 52.040984] softirqs last disabled at (10091): [] irq_exit_rcu+0x93/0xc0 [ 52.042039] ---[ end trace 0000000000000000 ]--- executing program [ 53.582335] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.629785] Bluetooth: hci0: command 0x041b tx timeout [ 57.677942] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.725722] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:40:33 Registers: info registers vcpu 0 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f9a7618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555556555400 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=00007f66291796f4 CR3=000000000efec000 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=000000000000007b RBX=00007f7b818fb330 RCX=00000000000007e7 RDX=000000000000014e RSI=0000000000000003 RDI=00007f7b82233900 RBP=051eb851eb851eb8 RSP=00007f7b818fb2a8 R8 =0000000000000088 R9 =0000000000000640 R10=a3d70a3d70a3d70b R11=2ce33e6c02ce33e7 R12=8f5c28f5c28f5c29 R13=0000000000000013 R14=00000000000001ec R15=000000000000076c RIP=00007f7b82167d36 RFL=00000206 [-----P-] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f7b8191c700 00000000 00000000 GS =0000 0000000000000000 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=00007f80a3836120 CR3=0000000009b5a000 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=ffffffffffffffffffffffffff000000 XMM01=00000000000000003043545500435455 XMM02=00000000000000000000000000ff0000 XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=61746164203a6873657268745f000a34 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000