Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:45183' (ECDSA) to the list of known hosts. 2023/05/18 09:15:17 fuzzer started 2023/05/18 09:15:17 dialing manager at localhost:44319 2023/05/18 09:15:17 checking machine... 2023/05/18 09:15:17 checking revisions... syzkaller login: [ 37.245216] kmemleak: Automatic memory scanning thread ended 2023/05/18 09:15:17 testing simple program... [ 37.306923] cgroup: Unknown subsys name 'net' [ 37.389832] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.238584] audit: type=1400 audit(1684401330.786:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.324841] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.327155] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.328174] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.331134] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.333567] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.336325] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.624173] ------------[ cut here ]------------ [ 51.624637] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.625942] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.626654] Modules linked in: [ 51.627083] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.630535] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.631344] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.631891] 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 [ 51.633509] RSP: 0018:ffff88800f09fc00 EFLAGS: 00010282 [ 51.634085] RAX: 0000000000000000 RBX: ffff88800eeb0440 RCX: 0000000000000000 [ 51.634660] RDX: ffff888019228000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.635367] RBP: ffff88800eeb0454 R08: 0000000000000001 R09: 0000000000000000 [ 51.636048] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.636632] R13: ffffffff84e23fe0 R14: ffff88800eeb0448 R15: ffffffff84d74dc0 [ 51.637289] FS: 0000555556928400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.638014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.638510] CR2: 00007f80290ae6f4 CR3: 0000000018084000 CR4: 0000000000350ef0 [ 51.639166] Call Trace: [ 51.639393] [ 51.639614] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.640053] ipv4_frags_init_net+0x269/0x440 [ 51.640430] ops_init+0xbb/0x6b0 [ 51.640774] setup_net+0x3d9/0x990 [ 51.641074] ? down_read_killable+0x1d7/0x4e0 [ 51.641454] ? __pfx_setup_net+0x10/0x10 [ 51.641883] ? copy_net_ns+0x17c/0x770 [ 51.642247] copy_net_ns+0x321/0x770 [ 51.642567] create_new_namespaces+0x3f6/0xb30 [ 51.643003] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.643427] ksys_unshare+0x44d/0x8e0 [ 51.643798] ? __pfx_ksys_unshare+0x10/0x10 [ 51.644198] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.644731] __x64_sys_unshare+0x31/0x40 [ 51.645107] do_syscall_64+0x3f/0x90 [ 51.645468] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.645983] RIP: 0033:0x7fd68f7730d7 [ 51.646332] 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 [ 51.647922] RSP: 002b:00007fffeb2c7098 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.648587] RAX: ffffffffffffffda RBX: 00007fffeb2c76d8 RCX: 00007fd68f7730d7 [ 51.649259] RDX: 00007fd68f7dd41f RSI: 00007fffeb2c7030 RDI: 0000000040000000 [ 51.649927] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffeb2c6e40 [ 51.650525] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd68f885bf0 [ 51.651223] R13: 00007fffeb2c7170 R14: 0000000000000000 R15: 00000000000000f8 [ 51.651926] [ 51.652167] irq event stamp: 8885 [ 51.652486] hardirqs last enabled at (8895): [] __up_console_sem+0x78/0x80 [ 51.653281] hardirqs last disabled at (8906): [] __up_console_sem+0x5d/0x80 [ 51.654075] softirqs last enabled at (8824): [] irq_exit_rcu+0x93/0xc0 [ 51.654797] softirqs last disabled at (8815): [] irq_exit_rcu+0x93/0xc0 [ 51.655490] ---[ end trace 0000000000000000 ]--- [ 51.661334] ------------[ cut here ]------------ [ 51.661921] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.663051] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.663772] Modules linked in: [ 51.664059] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.664844] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.665487] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.665988] 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 [ 51.667503] RSP: 0018:ffff88800f09fc00 EFLAGS: 00010282 [ 51.668038] RAX: 0000000000000000 RBX: ffff888016094040 RCX: 0000000000000000 [ 51.668713] RDX: ffff888019228000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.669334] RBP: ffff888016094054 R08: 0000000000000001 R09: 0000000000000000 [ 51.670043] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.670715] R13: ffffffff84e23fe0 R14: ffff888016094048 R15: ffffffff84da7d60 [ 51.671346] FS: 0000555556928400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.672071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.672579] CR2: 00007f80290ae6f4 CR3: 0000000018084000 CR4: 0000000000350ef0 [ 51.673223] Call Trace: [ 51.673445] [ 51.673636] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.674116] ipv6_frags_init_net+0x206/0x3c0 [ 51.674472] ops_init+0xbb/0x6b0 [ 51.674828] setup_net+0x3d9/0x990 [ 51.675163] ? down_read_killable+0x1d7/0x4e0 [ 51.675573] ? __pfx_setup_net+0x10/0x10 [ 51.675974] ? copy_net_ns+0x17c/0x770 [ 51.676342] copy_net_ns+0x321/0x770 [ 51.676722] create_new_namespaces+0x3f6/0xb30 [ 51.677145] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.677584] ksys_unshare+0x44d/0x8e0 [ 51.678013] ? __pfx_ksys_unshare+0x10/0x10 [ 51.678415] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.678927] __x64_sys_unshare+0x31/0x40 [ 51.679292] do_syscall_64+0x3f/0x90 [ 51.679618] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.680097] RIP: 0033:0x7fd68f7730d7 [ 51.680426] 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 [ 51.682024] RSP: 002b:00007fffeb2c7098 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.682701] RAX: ffffffffffffffda RBX: 00007fffeb2c76d8 RCX: 00007fd68f7730d7 [ 51.683292] RDX: 00007fd68f7dd41f RSI: 00007fffeb2c7030 RDI: 0000000040000000 [ 51.683919] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffeb2c6e40 [ 51.684548] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd68f885bf0 [ 51.685215] R13: 00007fffeb2c7170 R14: 0000000000000000 R15: 00000000000000f8 [ 51.685924] [ 51.686161] irq event stamp: 10745 [ 51.686460] hardirqs last enabled at (10755): [] __up_console_sem+0x78/0x80 [ 51.687244] hardirqs last disabled at (10766): [] __up_console_sem+0x5d/0x80 [ 51.688006] softirqs last enabled at (10780): [] irq_exit_rcu+0x93/0xc0 [ 51.688750] softirqs last disabled at (10775): [] irq_exit_rcu+0x93/0xc0 [ 51.689466] ---[ end trace 0000000000000000 ]--- [ 51.690885] ------------[ cut here ]------------ [ 51.691279] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.692532] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.693255] Modules linked in: [ 51.693544] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.694362] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.695044] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.695470] 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 [ 51.696887] RSP: 0018:ffff88800f09fbf0 EFLAGS: 00010286 [ 51.697312] RAX: 0000000000000000 RBX: ffff888016095a40 RCX: 0000000000000000 [ 51.697881] RDX: ffff888019228000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.698379] RBP: ffff888016095a54 R08: 0000000000000001 R09: 0000000000000000 [ 51.698964] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.699515] R13: ffffffff84e23fe0 R14: ffff888016095a48 R15: ffffffff84db0aa0 [ 51.700107] FS: 0000555556928400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.700828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.701317] CR2: 00007f80290ae6f4 CR3: 0000000018084000 CR4: 0000000000350ef0 [ 51.701993] Call Trace: [ 51.702230] [ 51.702437] nf_ct_net_init+0x224/0x3d0 [ 51.702822] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.703235] ops_init+0xbb/0x6b0 [ 51.703558] setup_net+0x3d9/0x990 [ 51.703897] ? down_read_killable+0x1d7/0x4e0 [ 51.704301] ? __pfx_setup_net+0x10/0x10 [ 51.704643] ? copy_net_ns+0x17c/0x770 [ 51.705031] copy_net_ns+0x321/0x770 [ 51.705373] create_new_namespaces+0x3f6/0xb30 [ 51.705838] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.706272] ksys_unshare+0x44d/0x8e0 [ 51.706610] ? __pfx_ksys_unshare+0x10/0x10 [ 51.706995] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.707490] __x64_sys_unshare+0x31/0x40 [ 51.707862] do_syscall_64+0x3f/0x90 [ 51.708207] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.708647] RIP: 0033:0x7fd68f7730d7 [ 51.708999] 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 [ 51.710742] RSP: 002b:00007fffeb2c7098 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.711372] RAX: ffffffffffffffda RBX: 00007fffeb2c76d8 RCX: 00007fd68f7730d7 [ 51.711989] RDX: 00007fd68f7dd41f RSI: 00007fffeb2c7030 RDI: 0000000040000000 [ 51.712556] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffeb2c6e40 [ 51.713166] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd68f885bf0 [ 51.713777] R13: 00007fffeb2c7170 R14: 0000000000000000 R15: 00000000000000f8 [ 51.714374] [ 51.714574] irq event stamp: 11507 [ 51.714881] hardirqs last enabled at (11519): [] __up_console_sem+0x78/0x80 [ 51.715544] hardirqs last disabled at (11528): [] __up_console_sem+0x5d/0x80 [ 51.716242] softirqs last enabled at (10904): [] irq_exit_rcu+0x93/0xc0 [ 51.716946] softirqs last disabled at (10899): [] irq_exit_rcu+0x93/0xc0 [ 51.717588] ---[ end trace 0000000000000000 ]--- executing program [ 53.353279] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.401279] Bluetooth: hci0: command 0x041b tx timeout [ 57.449740] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.496788] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 09:15:29 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800f09f598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 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 0000555556928400 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=00007f80290ae6f4 CR3=0000000018084000 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=0000000000028fa9 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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 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=00007f331ccbd138 CR3=000000000ed50000 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=2032333a35313a39302038312079614d XMM01=5d3338303732362e31352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000