syzkaller login: [ 43.544165] sshd (226) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:35884' (ECDSA) to the list of known hosts. 2023/05/17 11:39:28 fuzzer started 2023/05/17 11:39:28 dialing manager at localhost:44319 2023/05/17 11:39:28 checking machine... 2023/05/17 11:39:28 checking revisions... [ 44.725069] kmemleak: Automatic memory scanning thread ended 2023/05/17 11:39:28 testing simple program... [ 44.798416] cgroup: Unknown subsys name 'net' [ 44.879261] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.345505] audit: type=1400 audit(1684323581.350:6): 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 [ 58.473362] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.475383] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.478283] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.481694] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.484498] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.485866] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.899287] ------------[ cut here ]------------ [ 58.900207] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.902363] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.903598] Modules linked in: [ 58.904039] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.905561] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.909723] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.910479] 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 [ 58.912772] RSP: 0018:ffff88801efffc00 EFLAGS: 00010282 [ 58.913503] RAX: 0000000000000000 RBX: ffff88800e881c40 RCX: 0000000000000000 [ 58.914458] RDX: ffff8880145cd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.915408] RBP: ffff88800e881c54 R08: 0000000000000001 R09: 0000000000000000 [ 58.916353] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.917300] R13: ffffffff84e23fe0 R14: ffff88800e881c48 R15: ffffffff84d74dc0 [ 58.918253] FS: 0000555557065400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.919304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.920047] CR2: 00007f77e24ee6f4 CR3: 000000000ea6a000 CR4: 0000000000350ef0 [ 58.920983] Call Trace: [ 58.921355] [ 58.921670] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.922378] ipv4_frags_init_net+0x269/0x440 [ 58.922968] ops_init+0xbb/0x6b0 [ 58.923467] setup_net+0x3d9/0x990 [ 58.923949] ? down_read_killable+0x1d7/0x4e0 [ 58.924587] ? __pfx_setup_net+0x10/0x10 [ 58.925157] ? copy_net_ns+0x17c/0x770 [ 58.925692] copy_net_ns+0x321/0x770 [ 58.926231] create_new_namespaces+0x3f6/0xb30 [ 58.926854] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.927531] ksys_unshare+0x44d/0x8e0 [ 58.928046] ? __pfx_ksys_unshare+0x10/0x10 [ 58.928653] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.929425] __x64_sys_unshare+0x31/0x40 [ 58.929965] do_syscall_64+0x3f/0x90 [ 58.930523] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.931244] RIP: 0033:0x7f0d69cd00d7 [ 58.931732] 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 [ 58.933975] RSP: 002b:00007ffd3c236de8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.934964] RAX: ffffffffffffffda RBX: 00007ffd3c237428 RCX: 00007f0d69cd00d7 [ 58.935889] RDX: 00007f0d69d3a41f RSI: 00007ffd3c236d80 RDI: 0000000040000000 [ 58.936815] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd3c236b90 [ 58.937736] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0d69de2bf0 [ 58.938684] R13: 00007ffd3c236ec0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.939640] [ 58.939953] irq event stamp: 8893 [ 58.940430] hardirqs last enabled at (8905): [] __up_console_sem+0x78/0x80 [ 58.941535] hardirqs last disabled at (8916): [] __up_console_sem+0x5d/0x80 [ 58.942646] softirqs last enabled at (8778): [] irq_exit_rcu+0x93/0xc0 [ 58.943740] softirqs last disabled at (8773): [] irq_exit_rcu+0x93/0xc0 [ 58.944848] ---[ end trace 0000000000000000 ]--- [ 58.950801] ------------[ cut here ]------------ [ 58.951493] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.953238] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.954362] Modules linked in: [ 58.954794] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.956004] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.957068] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.957769] 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 [ 58.960370] RSP: 0018:ffff88801efffc00 EFLAGS: 00010282 [ 58.961138] RAX: 0000000000000000 RBX: ffff888016451a40 RCX: 0000000000000000 [ 58.962057] RDX: ffff8880145cd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.962994] RBP: ffff888016451a54 R08: 0000000000000001 R09: 0000000000000000 [ 58.963926] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.964859] R13: ffffffff84e23fe0 R14: ffff888016451a48 R15: ffffffff84da7d60 [ 58.965800] FS: 0000555557065400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.966869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.967653] CR2: 00007f77e24ee6f4 CR3: 000000000ea6a000 CR4: 0000000000350ef0 [ 58.968588] Call Trace: [ 58.968935] [ 58.969281] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.969923] ipv6_frags_init_net+0x206/0x3c0 [ 58.970573] ops_init+0xbb/0x6b0 [ 58.971046] setup_net+0x3d9/0x990 [ 58.971553] ? down_read_killable+0x1d7/0x4e0 [ 58.972186] ? __pfx_setup_net+0x10/0x10 [ 58.972718] ? copy_net_ns+0x17c/0x770 [ 58.973284] copy_net_ns+0x321/0x770 [ 58.973787] create_new_namespaces+0x3f6/0xb30 [ 58.974454] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.975143] ksys_unshare+0x44d/0x8e0 [ 58.975666] ? __pfx_ksys_unshare+0x10/0x10 [ 58.976273] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.977018] __x64_sys_unshare+0x31/0x40 [ 58.977598] do_syscall_64+0x3f/0x90 [ 58.978133] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.978844] RIP: 0033:0x7f0d69cd00d7 [ 58.979371] 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 [ 58.981638] RSP: 002b:00007ffd3c236de8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.982643] RAX: ffffffffffffffda RBX: 00007ffd3c237428 RCX: 00007f0d69cd00d7 [ 58.983576] RDX: 00007f0d69d3a41f RSI: 00007ffd3c236d80 RDI: 0000000040000000 [ 58.984519] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd3c236b90 [ 58.985463] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0d69de2bf0 [ 58.986407] R13: 00007ffd3c236ec0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.987373] [ 58.987694] irq event stamp: 10765 [ 58.988180] hardirqs last enabled at (10777): [] __up_console_sem+0x78/0x80 [ 58.989296] hardirqs last disabled at (10788): [] __up_console_sem+0x5d/0x80 [ 58.990447] softirqs last enabled at (10424): [] irq_exit_rcu+0x93/0xc0 [ 58.991546] softirqs last disabled at (10415): [] irq_exit_rcu+0x93/0xc0 [ 58.992630] ---[ end trace 0000000000000000 ]--- [ 58.994059] ------------[ cut here ]------------ [ 58.994737] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.996721] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.997861] Modules linked in: [ 58.998347] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.999575] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.000645] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.001362] 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 [ 59.003676] RSP: 0018:ffff88801efffbf0 EFLAGS: 00010286 [ 59.004399] RAX: 0000000000000000 RBX: ffff888016451240 RCX: 0000000000000000 [ 59.005342] RDX: ffff8880145cd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.006306] RBP: ffff888016451254 R08: 0000000000000001 R09: 0000000000000000 [ 59.007260] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.008212] R13: ffffffff84e23fe0 R14: ffff888016451248 R15: ffffffff84db0aa0 [ 59.009160] FS: 0000555557065400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.010230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.010987] CR2: 00007f77e24ee6f4 CR3: 000000000ea6a000 CR4: 0000000000350ef0 [ 59.011924] Call Trace: [ 59.012299] [ 59.012634] nf_ct_net_init+0x224/0x3d0 [ 59.013223] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.013844] ops_init+0xbb/0x6b0 [ 59.014368] setup_net+0x3d9/0x990 [ 59.014854] ? down_read_killable+0x1d7/0x4e0 [ 59.015488] ? __pfx_setup_net+0x10/0x10 [ 59.016028] ? copy_net_ns+0x17c/0x770 [ 59.016602] copy_net_ns+0x321/0x770 [ 59.017148] create_new_namespaces+0x3f6/0xb30 [ 59.017767] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.018471] ksys_unshare+0x44d/0x8e0 [ 59.018987] ? __pfx_ksys_unshare+0x10/0x10 [ 59.019598] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.020372] __x64_sys_unshare+0x31/0x40 [ 59.020920] do_syscall_64+0x3f/0x90 [ 59.021463] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.022249] RIP: 0033:0x7f0d69cd00d7 [ 59.022771] 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 [ 59.025105] RSP: 002b:00007ffd3c236de8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.026113] RAX: ffffffffffffffda RBX: 00007ffd3c237428 RCX: 00007f0d69cd00d7 [ 59.027037] RDX: 00007f0d69d3a41f RSI: 00007ffd3c236d80 RDI: 0000000040000000 [ 59.027988] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd3c236b90 [ 59.028936] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0d69de2bf0 [ 59.029889] R13: 00007ffd3c236ec0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.030871] [ 59.031226] irq event stamp: 11559 [ 59.031688] hardirqs last enabled at (11569): [] __up_console_sem+0x78/0x80 [ 59.032830] hardirqs last disabled at (11580): [] __up_console_sem+0x5d/0x80 [ 59.033965] softirqs last enabled at (11442): [] irq_exit_rcu+0x93/0xc0 [ 59.035112] softirqs last disabled at (11437): [] irq_exit_rcu+0x93/0xc0 [ 59.036224] ---[ end trace 0000000000000000 ]--- executing program [ 60.558807] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.606148] Bluetooth: hci0: command 0x041b tx timeout [ 64.655140] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.702157] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:39:34 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801efff618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555557065400 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=00007f77e24ee6f4 CR3=000000000ea6a000 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=0000000000028769 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=00007fbc3f784550 CR3=0000000015a66000 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=2032343a39333a31312037312079614d XMM01=5d3136353530392e38352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3136353530392e38352020205b20 XMM07=732032343a39333a3131203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000