syzkaller login: [ 49.280616] sshd (211) used greatest stack depth: 24168 bytes left Warning: Permanently added '[localhost]:40731' (ECDSA) to the list of known hosts. 2023/05/17 14:19:41 fuzzer started 2023/05/17 14:19:41 dialing manager at localhost:44319 2023/05/17 14:19:41 checking machine... 2023/05/17 14:19:41 checking revisions... [ 53.633786] kmemleak: Automatic memory scanning thread ended 2023/05/17 14:19:41 testing simple program... [ 53.724646] cgroup: Unknown subsys name 'net' [ 53.849458] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 67.606645] audit: type=1400 audit(1684333195.855:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 68.737265] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.741031] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.742814] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.748317] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.751308] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.753148] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.196736] ------------[ cut here ]------------ [ 69.197514] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 69.199331] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.200492] Modules linked in: [ 69.200910] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 69.206137] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.207264] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.207915] 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 [ 69.210185] RSP: 0018:ffff888017997c00 EFLAGS: 00010282 [ 69.210840] RAX: 0000000000000000 RBX: ffff88800edcd040 RCX: 0000000000000000 [ 69.211828] RDX: ffff888015978000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 69.212812] RBP: ffff88800edcd054 R08: 0000000000000001 R09: 0000000000000000 [ 69.213817] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 69.214785] R13: ffffffff84e23fe0 R14: ffff88800edcd048 R15: ffffffff84d74dc0 [ 69.215790] FS: 000055555681a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.216911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.217726] CR2: 00007f88f30746f4 CR3: 000000000c644000 CR4: 0000000000350ee0 [ 69.218651] Call Trace: [ 69.218982] [ 69.219319] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 69.219942] ipv4_frags_init_net+0x269/0x440 [ 69.220537] ops_init+0xbb/0x6b0 [ 69.220999] setup_net+0x3d9/0x990 [ 69.221513] ? down_read_killable+0x1d7/0x4e0 [ 69.222119] ? __pfx_setup_net+0x10/0x10 [ 69.222639] ? copy_net_ns+0x17c/0x770 [ 69.223196] copy_net_ns+0x321/0x770 [ 69.223695] create_new_namespaces+0x3f6/0xb30 [ 69.224329] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.224953] ksys_unshare+0x44d/0x8e0 [ 69.225492] ? __pfx_ksys_unshare+0x10/0x10 [ 69.226085] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.226799] __x64_sys_unshare+0x31/0x40 [ 69.227348] do_syscall_64+0x3f/0x90 [ 69.227827] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.228512] RIP: 0033:0x7fcd6a73c0d7 [ 69.228985] 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 [ 69.231190] RSP: 002b:00007ffcebdc1368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.232164] RAX: ffffffffffffffda RBX: 00007ffcebdc19a8 RCX: 00007fcd6a73c0d7 [ 69.233033] RDX: 00007fcd6a7a641f RSI: 00007ffcebdc1300 RDI: 0000000040000000 [ 69.233965] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcebdc1110 [ 69.234880] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcd6a84ebf0 [ 69.235778] R13: 00007ffcebdc1440 R14: 0000000000000000 R15: 00000000000000f8 [ 69.236706] [ 69.237003] irq event stamp: 9341 [ 69.237470] hardirqs last enabled at (9353): [] __up_console_sem+0x78/0x80 [ 69.238534] hardirqs last disabled at (9364): [] __up_console_sem+0x5d/0x80 [ 69.239615] softirqs last enabled at (9016): [] irq_exit_rcu+0x93/0xc0 [ 69.240655] softirqs last disabled at (8999): [] irq_exit_rcu+0x93/0xc0 [ 69.241712] ---[ end trace 0000000000000000 ]--- [ 69.248395] ------------[ cut here ]------------ [ 69.248992] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 69.250645] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.251834] Modules linked in: [ 69.252290] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 69.253476] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.254496] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.255173] 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 [ 69.257364] RSP: 0018:ffff888017997c00 EFLAGS: 00010282 [ 69.258022] RAX: 0000000000000000 RBX: ffff88800ddfae40 RCX: 0000000000000000 [ 69.258921] RDX: ffff888015978000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 69.259831] RBP: ffff88800ddfae54 R08: 0000000000000001 R09: 0000000000000000 [ 69.260724] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.261662] R13: ffffffff84e23fe0 R14: ffff88800ddfae48 R15: ffffffff84da7d60 [ 69.262581] FS: 000055555681a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.263647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.264434] CR2: 00007f88f30746f4 CR3: 000000000c644000 CR4: 0000000000350ee0 [ 69.265404] Call Trace: [ 69.265749] [ 69.266096] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 69.266742] ipv6_frags_init_net+0x206/0x3c0 [ 69.267367] ops_init+0xbb/0x6b0 [ 69.267846] setup_net+0x3d9/0x990 [ 69.268364] ? down_read_killable+0x1d7/0x4e0 [ 69.268966] ? __pfx_setup_net+0x10/0x10 [ 69.269582] ? copy_net_ns+0x17c/0x770 [ 69.270156] copy_net_ns+0x321/0x770 [ 69.270677] create_new_namespaces+0x3f6/0xb30 [ 69.271337] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.271988] ksys_unshare+0x44d/0x8e0 [ 69.272542] ? __pfx_ksys_unshare+0x10/0x10 [ 69.273150] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.273925] __x64_sys_unshare+0x31/0x40 [ 69.274509] do_syscall_64+0x3f/0x90 [ 69.275028] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.275745] RIP: 0033:0x7fcd6a73c0d7 [ 69.276270] 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 [ 69.278618] RSP: 002b:00007ffcebdc1368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.279633] RAX: ffffffffffffffda RBX: 00007ffcebdc19a8 RCX: 00007fcd6a73c0d7 [ 69.280584] RDX: 00007fcd6a7a641f RSI: 00007ffcebdc1300 RDI: 0000000040000000 [ 69.281534] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcebdc1110 [ 69.282489] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcd6a84ebf0 [ 69.283439] R13: 00007ffcebdc1440 R14: 0000000000000000 R15: 00000000000000f8 [ 69.284411] [ 69.284730] irq event stamp: 11647 [ 69.285232] hardirqs last enabled at (11659): [] __up_console_sem+0x78/0x80 [ 69.286376] hardirqs last disabled at (11670): [] __up_console_sem+0x5d/0x80 [ 69.287520] softirqs last enabled at (11044): [] irq_exit_rcu+0x93/0xc0 [ 69.288628] softirqs last disabled at (11025): [] irq_exit_rcu+0x93/0xc0 [ 69.289773] ---[ end trace 0000000000000000 ]--- [ 69.291201] ------------[ cut here ]------------ [ 69.291815] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 69.294096] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.295244] Modules linked in: [ 69.295668] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 69.296904] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.298001] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.298735] 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 [ 69.301077] RSP: 0018:ffff888017997bf0 EFLAGS: 00010286 [ 69.301784] RAX: 0000000000000000 RBX: ffff88800ddfa840 RCX: 0000000000000000 [ 69.302738] RDX: ffff888015978000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 69.303690] RBP: ffff88800ddfa854 R08: 0000000000000001 R09: 0000000000000000 [ 69.304635] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.305597] R13: ffffffff84e23fe0 R14: ffff88800ddfa848 R15: ffffffff84db0aa0 [ 69.306558] FS: 000055555681a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.307639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.308442] CR2: 00007f88f30746f4 CR3: 000000000c644000 CR4: 0000000000350ee0 [ 69.309412] Call Trace: [ 69.309769] [ 69.310119] nf_ct_net_init+0x224/0x3d0 [ 69.310661] ? __pfx_nf_ct_net_init+0x10/0x10 [ 69.311308] ops_init+0xbb/0x6b0 [ 69.311785] setup_net+0x3d9/0x990 [ 69.312306] ? down_read_killable+0x1d7/0x4e0 [ 69.312907] ? __pfx_setup_net+0x10/0x10 [ 69.313502] ? copy_net_ns+0x17c/0x770 [ 69.314082] copy_net_ns+0x321/0x770 [ 69.314597] create_new_namespaces+0x3f6/0xb30 [ 69.315252] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.315911] ksys_unshare+0x44d/0x8e0 [ 69.316455] ? __pfx_ksys_unshare+0x10/0x10 [ 69.317034] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.317842] __x64_sys_unshare+0x31/0x40 [ 69.318436] do_syscall_64+0x3f/0x90 [ 69.318949] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.319667] RIP: 0033:0x7fcd6a73c0d7 [ 69.320195] 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 [ 69.322508] RSP: 002b:00007ffcebdc1368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.323533] RAX: ffffffffffffffda RBX: 00007ffcebdc19a8 RCX: 00007fcd6a73c0d7 [ 69.324474] RDX: 00007fcd6a7a641f RSI: 00007ffcebdc1300 RDI: 0000000040000000 [ 69.325427] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcebdc1110 [ 69.326380] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcd6a84ebf0 [ 69.327324] R13: 00007ffcebdc1440 R14: 0000000000000000 R15: 00000000000000f8 [ 69.328311] [ 69.328629] irq event stamp: 12509 [ 69.329130] hardirqs last enabled at (12521): [] __up_console_sem+0x78/0x80 [ 69.330289] hardirqs last disabled at (12532): [] __up_console_sem+0x5d/0x80 [ 69.331427] softirqs last enabled at (12180): [] irq_exit_rcu+0x93/0xc0 [ 69.332535] softirqs last disabled at (12175): [] irq_exit_rcu+0x93/0xc0 [ 69.333664] ---[ end trace 0000000000000000 ]--- [ 70.816664] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 72.864157] Bluetooth: hci0: command 0x041b tx timeout executing program [ 74.912120] Bluetooth: hci0: command 0x040f tx timeout [ 76.960128] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:19:39 Registers: info registers vcpu 0 RAX=000000000002af47 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=00007f8ee84dfde0 CR3=000000000dd46000 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=0d40f0d7f8397c9555413425bb9d293f XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=9eaacb60c6c0ad5d000000000013c4f8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f9142c462e63a5b000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 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=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880179975f0 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 000055555681a400 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=00007f88f30746f4 CR3=000000000c644000 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