Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:15453' (ECDSA) to the list of known hosts. 2023/05/17 20:57:37 fuzzer started 2023/05/17 20:57:38 dialing manager at localhost:44319 2023/05/17 20:57:38 checking machine... 2023/05/17 20:57:38 checking revisions... syzkaller login: [ 29.224375] kmemleak: Automatic memory scanning thread ended 2023/05/17 20:57:38 testing simple program... [ 29.304190] cgroup: Unknown subsys name 'net' [ 29.382530] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 41.156722] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 41.345156] audit: type=1400 audit(1684357070.573:6): 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 [ 42.467705] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.469333] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.470529] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.474118] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.475952] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.477671] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.887899] ------------[ cut here ]------------ [ 42.888250] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 42.889155] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 42.889737] Modules linked in: [ 42.890001] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 42.890615] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.893395] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 42.895228] 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 [ 42.896451] RSP: 0018:ffff88801e967c00 EFLAGS: 00010282 [ 42.896833] RAX: 0000000000000000 RBX: ffff88800e297840 RCX: 0000000000000000 [ 42.897300] RDX: ffff888016d58000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 42.897815] RBP: ffff88800e297854 R08: 0000000000000001 R09: 0000000000000000 [ 42.898317] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 42.898832] R13: ffffffff84e23fe0 R14: ffff88800e297848 R15: ffffffff84d74dc0 [ 42.899322] FS: 0000555557296400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 42.899895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.900308] CR2: 00007f9fc8d746f4 CR3: 000000002019c000 CR4: 0000000000350ee0 [ 42.900823] Call Trace: [ 42.901016] [ 42.901185] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 42.901538] ipv4_frags_init_net+0x269/0x440 [ 42.901888] ops_init+0xbb/0x6b0 [ 42.902147] setup_net+0x3d9/0x990 [ 42.902405] ? down_read_killable+0x1d7/0x4e0 [ 42.902737] ? __pfx_setup_net+0x10/0x10 [ 42.903049] ? copy_net_ns+0x17c/0x770 [ 42.903344] copy_net_ns+0x321/0x770 [ 42.903623] create_new_namespaces+0x3f6/0xb30 [ 42.903979] unshare_nsproxy_namespaces+0xc1/0x200 [ 42.904330] ksys_unshare+0x44d/0x8e0 [ 42.904611] ? __pfx_ksys_unshare+0x10/0x10 [ 42.904944] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 42.905365] __x64_sys_unshare+0x31/0x40 [ 42.905660] do_syscall_64+0x3f/0x90 [ 42.905959] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 42.906338] RIP: 0033:0x7fec32ed50d7 [ 42.906610] 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 [ 42.907879] RSP: 002b:00007ffe344e5308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 42.908408] RAX: ffffffffffffffda RBX: 00007ffe344e5948 RCX: 00007fec32ed50d7 [ 42.908932] RDX: 00007fec32f3f41f RSI: 00007ffe344e52a0 RDI: 0000000040000000 [ 42.909419] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe344e50b0 [ 42.909936] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fec32fe7bf0 [ 42.910423] R13: 00007ffe344e53e0 R14: 0000000000000000 R15: 00000000000000f8 [ 42.910936] [ 42.911107] irq event stamp: 9325 [ 42.911344] hardirqs last enabled at (9335): [] __up_console_sem+0x78/0x80 [ 42.911945] hardirqs last disabled at (9346): [] __up_console_sem+0x5d/0x80 [ 42.912532] softirqs last enabled at (8896): [] irq_exit_rcu+0x93/0xc0 [ 42.913122] softirqs last disabled at (8891): [] irq_exit_rcu+0x93/0xc0 [ 42.913695] ---[ end trace 0000000000000000 ]--- [ 42.916755] ------------[ cut here ]------------ [ 42.917110] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 42.918053] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 42.918656] Modules linked in: [ 42.918911] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 42.919556] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.920145] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 42.920518] 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 [ 42.921780] RSP: 0018:ffff88801e967c00 EFLAGS: 00010282 [ 42.922165] RAX: 0000000000000000 RBX: ffff88800d5cbc40 RCX: 0000000000000000 [ 42.922665] RDX: ffff888016d58000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 42.923173] RBP: ffff88800d5cbc54 R08: 0000000000000001 R09: 0000000000000000 [ 42.923664] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 42.924179] R13: ffffffff84e23fe0 R14: ffff88800d5cbc48 R15: ffffffff84da7d60 [ 42.924691] FS: 0000555557296400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 42.925253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.925664] CR2: 00007f9fc8d746f4 CR3: 000000002019c000 CR4: 0000000000350ee0 [ 42.926179] Call Trace: [ 42.926366] [ 42.926530] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 42.926899] ipv6_frags_init_net+0x206/0x3c0 [ 42.927213] ops_init+0xbb/0x6b0 [ 42.927466] setup_net+0x3d9/0x990 [ 42.927733] ? down_read_killable+0x1d7/0x4e0 [ 42.928073] ? __pfx_setup_net+0x10/0x10 [ 42.928362] ? copy_net_ns+0x17c/0x770 [ 42.928652] copy_net_ns+0x321/0x770 [ 42.928944] create_new_namespaces+0x3f6/0xb30 [ 42.929281] unshare_nsproxy_namespaces+0xc1/0x200 [ 42.929627] ksys_unshare+0x44d/0x8e0 [ 42.929942] ? __pfx_ksys_unshare+0x10/0x10 [ 42.930257] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 42.930667] __x64_sys_unshare+0x31/0x40 [ 42.930980] do_syscall_64+0x3f/0x90 [ 42.931254] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 42.931622] RIP: 0033:0x7fec32ed50d7 [ 42.931902] 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 [ 42.933148] RSP: 002b:00007ffe344e5308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 42.933667] RAX: ffffffffffffffda RBX: 00007ffe344e5948 RCX: 00007fec32ed50d7 [ 42.934181] RDX: 00007fec32f3f41f RSI: 00007ffe344e52a0 RDI: 0000000040000000 [ 42.934689] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe344e50b0 [ 42.935194] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fec32fe7bf0 [ 42.935688] R13: 00007ffe344e53e0 R14: 0000000000000000 R15: 00000000000000f8 [ 42.936208] [ 42.936385] irq event stamp: 11081 [ 42.936630] hardirqs last enabled at (11091): [] __up_console_sem+0x78/0x80 [ 42.937232] hardirqs last disabled at (11102): [] __up_console_sem+0x5d/0x80 [ 42.937863] softirqs last enabled at (10188): [] irq_exit_rcu+0x93/0xc0 [ 42.938445] softirqs last disabled at (10019): [] irq_exit_rcu+0x93/0xc0 [ 42.939048] ---[ end trace 0000000000000000 ]--- [ 42.939813] ------------[ cut here ]------------ [ 42.940147] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 42.941210] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 42.941820] Modules linked in: [ 42.942057] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 42.942703] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.943294] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 42.943672] 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 [ 42.944919] RSP: 0018:ffff88801e967bf0 EFLAGS: 00010286 [ 42.945301] RAX: 0000000000000000 RBX: ffff88800d6d2640 RCX: 0000000000000000 [ 42.945819] RDX: ffff888016d58000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 42.946322] RBP: ffff88800d6d2654 R08: 0000000000000001 R09: 0000000000000000 [ 42.946829] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 42.947329] R13: ffffffff84e23fe0 R14: ffff88800d6d2648 R15: ffffffff84db0aa0 [ 42.947848] FS: 0000555557296400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 42.948412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.948853] CR2: 00007f9fc8d746f4 CR3: 000000002019c000 CR4: 0000000000350ee0 [ 42.949352] Call Trace: [ 42.949542] [ 42.949720] nf_ct_net_init+0x224/0x3d0 [ 42.950046] ? __pfx_nf_ct_net_init+0x10/0x10 [ 42.950379] ops_init+0xbb/0x6b0 [ 42.950640] setup_net+0x3d9/0x990 [ 42.950925] ? down_read_killable+0x1d7/0x4e0 [ 42.951262] ? __pfx_setup_net+0x10/0x10 [ 42.951549] ? copy_net_ns+0x17c/0x770 [ 42.951871] copy_net_ns+0x321/0x770 [ 42.952158] create_new_namespaces+0x3f6/0xb30 [ 42.952497] unshare_nsproxy_namespaces+0xc1/0x200 [ 42.952864] ksys_unshare+0x44d/0x8e0 [ 42.953142] ? __pfx_ksys_unshare+0x10/0x10 [ 42.953452] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 42.953901] __x64_sys_unshare+0x31/0x40 [ 42.954215] do_syscall_64+0x3f/0x90 [ 42.954493] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 42.954893] RIP: 0033:0x7fec32ed50d7 [ 42.955165] 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 [ 42.956436] RSP: 002b:00007ffe344e5308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 42.956972] RAX: ffffffffffffffda RBX: 00007ffe344e5948 RCX: 00007fec32ed50d7 [ 42.957470] RDX: 00007fec32f3f41f RSI: 00007ffe344e52a0 RDI: 0000000040000000 [ 42.958007] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe344e50b0 [ 42.958506] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fec32fe7bf0 [ 42.959017] R13: 00007ffe344e53e0 R14: 0000000000000000 R15: 00000000000000f8 [ 42.959525] [ 42.959704] irq event stamp: 11815 [ 42.959975] hardirqs last enabled at (11827): [] __up_console_sem+0x78/0x80 [ 42.960582] hardirqs last disabled at (11836): [] __up_console_sem+0x5d/0x80 [ 42.961202] softirqs last enabled at (11482): [] irq_exit_rcu+0x93/0xc0 [ 42.961816] softirqs last disabled at (11477): [] irq_exit_rcu+0x93/0xc0 [ 42.962403] ---[ end trace 0000000000000000 ]--- executing program [ 44.552550] Bluetooth: hci0: command 0x0409 tx timeout [ 46.599838] Bluetooth: hci0: command 0x041b tx timeout executing program [ 48.647909] Bluetooth: hci0: command 0x040f tx timeout executing program [ 50.695837] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 20:57:51 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff856163c0 RCX=ffffffff812de535 RDX=0000000000000001 RSI=0000000000000004 RDI=ffff888008da7cf8 RBP=1ffff110011b4f9b RSP=ffff888008da7cd0 R8 =0000000000000001 R9 =ffffed10011b4f9f R10=0000000000000003 R11=0000000000000001 R12=ffffffff856163c8 R13=ffffffff856163d0 R14=dffffc0000000000 R15=ffffffff85d36b70 RIP=ffffffff812de546 RFL=00000046 [---Z-P-] 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 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=00007fa88a87a120 CR3=000000000eef2000 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=b967ce406d1506a11841e6fbd6cc8955 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f6000000000010e970 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=0009276bd820386300000000000ae988 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=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801e967588 R8 =0000000000000007 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 0000555557296400 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=00007f9fc8d746f4 CR3=000000002019c000 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