syzkaller login: [ 34.208507] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:13035' (ECDSA) to the list of known hosts. 2023/05/17 15:22:22 fuzzer started 2023/05/17 15:22:22 dialing manager at localhost:44319 2023/05/17 15:22:22 checking machine... 2023/05/17 15:22:22 checking revisions... [ 36.124750] kmemleak: Automatic memory scanning thread ended 2023/05/17 15:22:22 testing simple program... [ 36.197086] cgroup: Unknown subsys name 'net' [ 36.273445] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.433650] audit: type=1400 audit(1684336955.292:6): 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 [ 49.566516] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.569559] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.571497] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.574692] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.576658] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.577887] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.954192] ------------[ cut here ]------------ [ 49.954977] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.956918] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.958161] Modules linked in: [ 49.958649] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.963127] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.964166] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.964842] 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 [ 49.967023] RSP: 0018:ffff88801a1b7c00 EFLAGS: 00010282 [ 49.967689] RAX: 0000000000000000 RBX: ffff88800ef3c440 RCX: 0000000000000000 [ 49.968585] RDX: ffff8880196e0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.969480] RBP: ffff88800ef3c454 R08: 0000000000000001 R09: 0000000000000000 [ 49.970375] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.971289] R13: ffffffff84e23fe0 R14: ffff88800ef3c448 R15: ffffffff84d74dc0 [ 49.972192] FS: 00005555567e2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.973187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.973940] CR2: 00007fb1da1416f4 CR3: 00000000164d8000 CR4: 0000000000350ee0 [ 49.974842] Call Trace: [ 49.975176] [ 49.975482] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.976130] ipv4_frags_init_net+0x269/0x440 [ 49.976692] ops_init+0xbb/0x6b0 [ 49.977171] setup_net+0x3d9/0x990 [ 49.977635] ? down_read_killable+0x1d7/0x4e0 [ 49.978244] ? __pfx_setup_net+0x10/0x10 [ 49.978766] ? copy_net_ns+0x17c/0x770 [ 49.979325] copy_net_ns+0x321/0x770 [ 49.979847] create_new_namespaces+0x3f6/0xb30 [ 49.980443] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.981092] ksys_unshare+0x44d/0x8e0 [ 49.981585] ? __pfx_ksys_unshare+0x10/0x10 [ 49.982174] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.982920] __x64_sys_unshare+0x31/0x40 [ 49.983463] do_syscall_64+0x3f/0x90 [ 49.983978] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.984617] RIP: 0033:0x7f188f07f0d7 [ 49.985112] 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 [ 49.987278] RSP: 002b:00007fff54da2c38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.988223] RAX: ffffffffffffffda RBX: 00007fff54da3278 RCX: 00007f188f07f0d7 [ 49.989106] RDX: 00007f188f0e941f RSI: 00007fff54da2bd0 RDI: 0000000040000000 [ 49.989987] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff54da29e0 [ 49.990869] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f188f191bf0 [ 49.991735] R13: 00007fff54da2d10 R14: 0000000000000000 R15: 00000000000000f8 [ 49.992640] [ 49.992973] irq event stamp: 8297 [ 49.993394] hardirqs last enabled at (8307): [] __up_console_sem+0x78/0x80 [ 49.994443] hardirqs last disabled at (8318): [] __up_console_sem+0x5d/0x80 [ 49.995506] softirqs last enabled at (8136): [] irq_exit_rcu+0x93/0xc0 [ 49.996546] softirqs last disabled at (8127): [] irq_exit_rcu+0x93/0xc0 [ 49.997575] ---[ end trace 0000000000000000 ]--- [ 50.002541] ------------[ cut here ]------------ [ 50.003385] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.005116] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.006173] Modules linked in: [ 50.006580] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.007756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.008768] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.009438] 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 [ 50.011633] RSP: 0018:ffff88801a1b7c00 EFLAGS: 00010282 [ 50.012305] RAX: 0000000000000000 RBX: ffff88800d5b3640 RCX: 0000000000000000 [ 50.013194] RDX: ffff8880196e0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.014083] RBP: ffff88800d5b3654 R08: 0000000000000001 R09: 0000000000000000 [ 50.014965] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.015856] R13: ffffffff84e23fe0 R14: ffff88800d5b3648 R15: ffffffff84da7d60 [ 50.016716] FS: 00005555567e2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.017711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.018448] CR2: 00007fb1da1416f4 CR3: 00000000164d8000 CR4: 0000000000350ee0 [ 50.019359] Call Trace: [ 50.019686] [ 50.020012] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.020631] ipv6_frags_init_net+0x206/0x3c0 [ 50.021220] ops_init+0xbb/0x6b0 [ 50.021665] setup_net+0x3d9/0x990 [ 50.022151] ? down_read_killable+0x1d7/0x4e0 [ 50.022722] ? __pfx_setup_net+0x10/0x10 [ 50.023250] ? copy_net_ns+0x17c/0x770 [ 50.023776] copy_net_ns+0x321/0x770 [ 50.024287] create_new_namespaces+0x3f6/0xb30 [ 50.024892] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.025512] ksys_unshare+0x44d/0x8e0 [ 50.026035] ? __pfx_ksys_unshare+0x10/0x10 [ 50.026576] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.027331] __x64_sys_unshare+0x31/0x40 [ 50.027879] do_syscall_64+0x3f/0x90 [ 50.028355] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.029017] RIP: 0033:0x7f188f07f0d7 [ 50.029480] 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 [ 50.031636] RSP: 002b:00007fff54da2c38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.032577] RAX: ffffffffffffffda RBX: 00007fff54da3278 RCX: 00007f188f07f0d7 [ 50.033460] RDX: 00007f188f0e941f RSI: 00007fff54da2bd0 RDI: 0000000040000000 [ 50.034331] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff54da29e0 [ 50.035208] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f188f191bf0 [ 50.036096] R13: 00007fff54da2d10 R14: 0000000000000000 R15: 00000000000000f8 [ 50.037005] [ 50.037303] irq event stamp: 10037 [ 50.037728] hardirqs last enabled at (10047): [] __up_console_sem+0x78/0x80 [ 50.038800] hardirqs last disabled at (10060): [] __up_console_sem+0x5d/0x80 [ 50.039892] softirqs last enabled at (9610): [] irq_exit_rcu+0x93/0xc0 [ 50.040922] softirqs last disabled at (9605): [] irq_exit_rcu+0x93/0xc0 [ 50.041943] ---[ end trace 0000000000000000 ]--- [ 50.043230] ------------[ cut here ]------------ [ 50.043843] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.045708] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.046768] Modules linked in: [ 50.047191] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.048333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.049349] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.050035] 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 [ 50.052219] RSP: 0018:ffff88801a1b7bf0 EFLAGS: 00010286 [ 50.052904] RAX: 0000000000000000 RBX: ffff88800d73ce40 RCX: 0000000000000000 [ 50.053753] RDX: ffff8880196e0000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.054634] RBP: ffff88800d73ce54 R08: 0000000000000001 R09: 0000000000000000 [ 50.055518] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.056401] R13: ffffffff84e23fe0 R14: ffff88800d73ce48 R15: ffffffff84db0aa0 [ 50.057284] FS: 00005555567e2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.058270] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.059022] CR2: 00007fb1da1416f4 CR3: 00000000164d8000 CR4: 0000000000350ee0 [ 50.059935] Call Trace: [ 50.060260] [ 50.060557] nf_ct_net_init+0x224/0x3d0 [ 50.061107] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.061678] ops_init+0xbb/0x6b0 [ 50.062154] setup_net+0x3d9/0x990 [ 50.062613] ? down_read_killable+0x1d7/0x4e0 [ 50.063206] ? __pfx_setup_net+0x10/0x10 [ 50.063724] ? copy_net_ns+0x17c/0x770 [ 50.064259] copy_net_ns+0x321/0x770 [ 50.064737] create_new_namespaces+0x3f6/0xb30 [ 50.065346] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.065994] ksys_unshare+0x44d/0x8e0 [ 50.066498] ? __pfx_ksys_unshare+0x10/0x10 [ 50.067076] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.067832] __x64_sys_unshare+0x31/0x40 [ 50.068348] do_syscall_64+0x3f/0x90 [ 50.068864] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.069506] RIP: 0033:0x7f188f07f0d7 [ 50.069991] 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 [ 50.072164] RSP: 002b:00007fff54da2c38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.073115] RAX: ffffffffffffffda RBX: 00007fff54da3278 RCX: 00007f188f07f0d7 [ 50.074001] RDX: 00007f188f0e941f RSI: 00007fff54da2bd0 RDI: 0000000040000000 [ 50.074890] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff54da29e0 [ 50.075774] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f188f191bf0 [ 50.076664] R13: 00007fff54da2d10 R14: 0000000000000000 R15: 00000000000000f8 [ 50.077570] [ 50.077899] irq event stamp: 10787 [ 50.078335] hardirqs last enabled at (10797): [] __up_console_sem+0x78/0x80 [ 50.079405] hardirqs last disabled at (10808): [] __up_console_sem+0x5d/0x80 [ 50.080458] softirqs last enabled at (10724): [] irq_exit_rcu+0x93/0xc0 [ 50.081495] softirqs last disabled at (10719): [] irq_exit_rcu+0x93/0xc0 [ 50.082538] ---[ end trace 0000000000000000 ]--- executing program [ 51.638495] Bluetooth: hci0: command 0x0409 tx timeout [ 53.685864] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.733857] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.781839] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 15:22:36 Registers: info registers vcpu 0 RAX=00000000000279bd RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007f0aed2de5a0 CR3=0000000015bb6000 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=084a64201aaaad905f453cca30f6ca08 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=06bdfec061d65e33000000000013c5c0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=fd4fdc938c2dd83f00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801a1b75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 00005555567e2400 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=00007fb1da1416f4 CR3=00000000164d8000 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