syzkaller login: [ 38.853482] sshd (226) used greatest stack depth: 23416 bytes left Warning: Permanently added '[localhost]:64605' (ECDSA) to the list of known hosts. 2023/05/16 22:06:10 fuzzer started 2023/05/16 22:06:10 dialing manager at localhost:35573 2023/05/16 22:06:10 checking machine... 2023/05/16 22:06:10 checking revisions... [ 40.070699] kmemleak: Automatic memory scanning thread ended 2023/05/16 22:06:10 testing simple program... [ 40.149504] cgroup: Unknown subsys name 'net' [ 40.218341] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.073605] audit: type=1400 audit(1684274783.810:6): 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 [ 54.180299] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.183302] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.184599] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.187652] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.189425] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.190680] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.579019] ------------[ cut here ]------------ [ 54.579761] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.581871] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.583152] Modules linked in: [ 54.583640] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.588749] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.589770] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.590433] 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 [ 54.592627] RSP: 0018:ffff88801a177c00 EFLAGS: 00010282 [ 54.593314] RAX: 0000000000000000 RBX: ffff88800e6a1440 RCX: 0000000000000000 [ 54.594211] RDX: ffff88800d738000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.595100] RBP: ffff88800e6a1454 R08: 0000000000000001 R09: 0000000000000000 [ 54.596002] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.596918] R13: ffffffff84e223a0 R14: ffff88800e6a1448 R15: ffffffff84d73340 [ 54.597773] FS: 0000555555e85400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.598774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.599516] CR2: 00007fb099f366f4 CR3: 000000000f1c8000 CR4: 0000000000350ee0 [ 54.600414] Call Trace: [ 54.600734] [ 54.601059] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.601663] ipv4_frags_init_net+0x269/0x440 [ 54.602244] ops_init+0xbb/0x6b0 [ 54.602689] setup_net+0x3d9/0x990 [ 54.603168] ? down_read_killable+0x1d7/0x4e0 [ 54.603744] ? __pfx_setup_net+0x10/0x10 [ 54.604294] ? copy_net_ns+0x17c/0x770 [ 54.604796] copy_net_ns+0x321/0x770 [ 54.605309] create_new_namespaces+0x3f6/0xb30 [ 54.605924] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.606533] ksys_unshare+0x44d/0x8e0 [ 54.607059] ? __pfx_ksys_unshare+0x10/0x10 [ 54.607600] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.608351] __x64_sys_unshare+0x31/0x40 [ 54.608896] do_syscall_64+0x3f/0x90 [ 54.609370] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.610063] RIP: 0033:0x7f6c7b1470d7 [ 54.610544] 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 [ 54.612822] RSP: 002b:00007ffc601ad0b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.613812] RAX: ffffffffffffffda RBX: 00007ffc601ad6f8 RCX: 00007f6c7b1470d7 [ 54.614754] RDX: 00007f6c7b1b141f RSI: 00007ffc601ad050 RDI: 0000000040000000 [ 54.615671] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc601ace60 [ 54.616628] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6c7b259bf0 [ 54.617559] R13: 00007ffc601ad190 R14: 0000000000000000 R15: 00000000000000f8 [ 54.618520] [ 54.618836] irq event stamp: 7683 [ 54.619305] hardirqs last enabled at (7695): [] __up_console_sem+0x78/0x80 [ 54.620419] hardirqs last disabled at (7706): [] __up_console_sem+0x5d/0x80 [ 54.621533] softirqs last enabled at (7176): [] irq_exit_rcu+0x93/0xc0 [ 54.622600] softirqs last disabled at (7171): [] irq_exit_rcu+0x93/0xc0 [ 54.623678] ---[ end trace 0000000000000000 ]--- [ 54.629083] ------------[ cut here ]------------ [ 54.629695] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.631505] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.632645] Modules linked in: [ 54.633096] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.634302] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.635348] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.636035] 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 [ 54.638300] RSP: 0018:ffff88801a177c00 EFLAGS: 00010282 [ 54.639011] RAX: 0000000000000000 RBX: ffff88800d148e40 RCX: 0000000000000000 [ 54.639951] RDX: ffff88800d738000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.640844] RBP: ffff88800d148e54 R08: 0000000000000001 R09: 0000000000000000 [ 54.641764] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.642682] R13: ffffffff84e223a0 R14: ffff88800d148e48 R15: ffffffff84da62e0 [ 54.643590] FS: 0000555555e85400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.644649] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.645422] CR2: 00007fb099f366f4 CR3: 000000000f1c8000 CR4: 0000000000350ee0 [ 54.646342] Call Trace: [ 54.646674] [ 54.647006] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.647631] ipv6_frags_init_net+0x206/0x3c0 [ 54.648237] ops_init+0xbb/0x6b0 [ 54.648692] setup_net+0x3d9/0x990 [ 54.649188] ? down_read_killable+0x1d7/0x4e0 [ 54.649765] ? __pfx_setup_net+0x10/0x10 [ 54.650323] ? copy_net_ns+0x17c/0x770 [ 54.650841] copy_net_ns+0x321/0x770 [ 54.651366] create_new_namespaces+0x3f6/0xb30 [ 54.651997] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.652643] ksys_unshare+0x44d/0x8e0 [ 54.653175] ? __pfx_ksys_unshare+0x10/0x10 [ 54.653737] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.654500] __x64_sys_unshare+0x31/0x40 [ 54.655063] do_syscall_64+0x3f/0x90 [ 54.655550] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.656243] RIP: 0033:0x7f6c7b1470d7 [ 54.656734] 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 [ 54.658974] RSP: 002b:00007ffc601ad0b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.659966] RAX: ffffffffffffffda RBX: 00007ffc601ad6f8 RCX: 00007f6c7b1470d7 [ 54.660918] RDX: 00007f6c7b1b141f RSI: 00007ffc601ad050 RDI: 0000000040000000 [ 54.661801] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc601ace60 [ 54.662747] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6c7b259bf0 [ 54.663681] R13: 00007ffc601ad190 R14: 0000000000000000 R15: 00000000000000f8 [ 54.664634] [ 54.664962] irq event stamp: 9669 [ 54.665386] hardirqs last enabled at (9679): [] __up_console_sem+0x78/0x80 [ 54.666436] hardirqs last disabled at (9690): [] __up_console_sem+0x5d/0x80 [ 54.667481] softirqs last enabled at (9640): [] irq_exit_rcu+0x93/0xc0 [ 54.668524] softirqs last disabled at (9631): [] irq_exit_rcu+0x93/0xc0 [ 54.669548] ---[ end trace 0000000000000000 ]--- [ 54.670905] ------------[ cut here ]------------ [ 54.671483] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.673447] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.674518] Modules linked in: [ 54.674954] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.676115] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.677132] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.677759] 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 [ 54.679919] RSP: 0018:ffff88801a177bf0 EFLAGS: 00010286 [ 54.680572] RAX: 0000000000000000 RBX: ffff88800d149440 RCX: 0000000000000000 [ 54.681457] RDX: ffff88800d738000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.682347] RBP: ffff88800d149454 R08: 0000000000000001 R09: 0000000000000000 [ 54.683231] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.684106] R13: ffffffff84e223a0 R14: ffff88800d149448 R15: ffffffff84daf020 [ 54.685007] FS: 0000555555e85400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.685992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.686695] CR2: 00007fb099f366f4 CR3: 000000000f1c8000 CR4: 0000000000350ee0 [ 54.687575] Call Trace: [ 54.687928] [ 54.688234] nf_ct_net_init+0x224/0x3d0 [ 54.688744] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.689341] ops_init+0xbb/0x6b0 [ 54.689783] setup_net+0x3d9/0x990 [ 54.690261] ? down_read_killable+0x1d7/0x4e0 [ 54.690823] ? __pfx_setup_net+0x10/0x10 [ 54.691355] ? copy_net_ns+0x17c/0x770 [ 54.691863] copy_net_ns+0x321/0x770 [ 54.692380] create_new_namespaces+0x3f6/0xb30 [ 54.692989] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.693606] ksys_unshare+0x44d/0x8e0 [ 54.694131] ? __pfx_ksys_unshare+0x10/0x10 [ 54.694676] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.695425] __x64_sys_unshare+0x31/0x40 [ 54.695974] do_syscall_64+0x3f/0x90 [ 54.696469] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.697150] RIP: 0033:0x7f6c7b1470d7 [ 54.697611] 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 [ 54.699772] RSP: 002b:00007ffc601ad0b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.700731] RAX: ffffffffffffffda RBX: 00007ffc601ad6f8 RCX: 00007f6c7b1470d7 [ 54.701608] RDX: 00007f6c7b1b141f RSI: 00007ffc601ad050 RDI: 0000000040000000 [ 54.702499] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc601ace60 [ 54.703392] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6c7b259bf0 [ 54.704279] R13: 00007ffc601ad190 R14: 0000000000000000 R15: 00000000000000f8 [ 54.705204] [ 54.705499] irq event stamp: 10435 [ 54.705954] hardirqs last enabled at (10447): [] __up_console_sem+0x78/0x80 [ 54.707009] hardirqs last disabled at (10458): [] __up_console_sem+0x5d/0x80 [ 54.708057] softirqs last enabled at (10320): [] irq_exit_rcu+0x93/0xc0 [ 54.709113] softirqs last disabled at (10315): [] irq_exit_rcu+0x93/0xc0 [ 54.710146] ---[ end trace 0000000000000000 ]--- executing program [ 56.255534] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.302972] Bluetooth: hci0: command 0x041b tx timeout [ 60.350948] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.398947] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:06:21 Registers: info registers vcpu 0 RAX=0000000000025de5 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=00000202 [-------] 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=00007fc8286db290 CR3=00000000094c4000 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=2035323a36303a32322036312079614d XMM01=5d3137383138352e34352020205b203a XMM02=74656e20746120393532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3137383138352e34352020205b XMM07=79732035323a36303a32322036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a1775f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555e85400 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=00007fb099f366f4 CR3=000000000f1c8000 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