syzkaller login: [ 36.485998] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:10094' (ECDSA) to the list of known hosts. 2023/05/17 02:30:31 fuzzer started 2023/05/17 02:30:31 dialing manager at localhost:35573 2023/05/17 02:30:31 checking machine... 2023/05/17 02:30:31 checking revisions... [ 37.754087] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:30:31 testing simple program... [ 37.814891] cgroup: Unknown subsys name 'net' [ 37.906006] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.258434] audit: type=1400 audit(1684290644.383:6): 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 [ 51.405383] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.407846] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.409293] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.413838] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.416508] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.418327] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.834345] ------------[ cut here ]------------ [ 51.835266] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.837950] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.839435] Modules linked in: [ 51.840034] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.845111] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.846349] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.847161] 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 [ 51.849777] RSP: 0018:ffff88801a3ffc00 EFLAGS: 00010282 [ 51.850637] RAX: 0000000000000000 RBX: ffff88800e1c9840 RCX: 0000000000000000 [ 51.851756] RDX: ffff88801a640000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.852836] RBP: ffff88800e1c9854 R08: 0000000000000001 R09: 0000000000000000 [ 51.853940] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.855051] R13: ffffffff84e223a0 R14: ffff88800e1c9848 R15: ffffffff84d73340 [ 51.856130] FS: 0000555555e31400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.857324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.858215] CR2: 00007fc55c2256f4 CR3: 0000000016f98000 CR4: 0000000000350ef0 [ 51.859318] Call Trace: [ 51.859766] [ 51.860134] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.860902] ipv4_frags_init_net+0x269/0x440 [ 51.861571] ops_init+0xbb/0x6b0 [ 51.862149] setup_net+0x3d9/0x990 [ 51.862745] ? down_read_killable+0x1d7/0x4e0 [ 51.863426] ? __pfx_setup_net+0x10/0x10 [ 51.864068] ? copy_net_ns+0x17c/0x770 [ 51.864710] copy_net_ns+0x321/0x770 [ 51.865291] create_new_namespaces+0x3f6/0xb30 [ 51.866052] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.866861] ksys_unshare+0x44d/0x8e0 [ 51.867457] ? __pfx_ksys_unshare+0x10/0x10 [ 51.868185] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.869093] __x64_sys_unshare+0x31/0x40 [ 51.869756] do_syscall_64+0x3f/0x90 [ 51.870345] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.871175] RIP: 0033:0x7f37835290d7 [ 51.871763] 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 [ 51.874407] RSP: 002b:00007ffca7857c58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.875562] RAX: ffffffffffffffda RBX: 00007ffca7858298 RCX: 00007f37835290d7 [ 51.876662] RDX: 00007f378359341f RSI: 00007ffca7857bf0 RDI: 0000000040000000 [ 51.877742] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca7857a00 [ 51.878785] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f378363bbf0 [ 51.879828] R13: 00007ffca7857d30 R14: 0000000000000000 R15: 00000000000000f8 [ 51.880887] [ 51.881245] irq event stamp: 8005 [ 51.881770] hardirqs last enabled at (8017): [] __up_console_sem+0x78/0x80 [ 51.883005] hardirqs last disabled at (8028): [] __up_console_sem+0x5d/0x80 [ 51.884258] softirqs last enabled at (7336): [] irq_exit_rcu+0x93/0xc0 [ 51.885469] softirqs last disabled at (7331): [] irq_exit_rcu+0x93/0xc0 [ 51.886685] ---[ end trace 0000000000000000 ]--- [ 51.893378] ------------[ cut here ]------------ [ 51.894137] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.896219] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.897432] Modules linked in: [ 51.897934] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.899268] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.900441] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.901222] 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 [ 51.903777] RSP: 0018:ffff88801a3ffc00 EFLAGS: 00010282 [ 51.904571] RAX: 0000000000000000 RBX: ffff888008f00040 RCX: 0000000000000000 [ 51.905649] RDX: ffff88801a640000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.906709] RBP: ffff888008f00054 R08: 0000000000000001 R09: 0000000000000000 [ 51.907769] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.908824] R13: ffffffff84e223a0 R14: ffff888008f00048 R15: ffffffff84da62e0 [ 51.909863] FS: 0000555555e31400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.911044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.911920] CR2: 00007fc55c2256f4 CR3: 0000000016f98000 CR4: 0000000000350ef0 [ 51.913025] Call Trace: [ 51.913406] [ 51.913789] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.914521] ipv6_frags_init_net+0x206/0x3c0 [ 51.915211] ops_init+0xbb/0x6b0 [ 51.915766] setup_net+0x3d9/0x990 [ 51.916303] ? down_read_killable+0x1d7/0x4e0 [ 51.917012] ? __pfx_setup_net+0x10/0x10 [ 51.917642] ? copy_net_ns+0x17c/0x770 [ 51.918239] copy_net_ns+0x321/0x770 [ 51.918850] create_new_namespaces+0x3f6/0xb30 [ 51.919540] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.920302] ksys_unshare+0x44d/0x8e0 [ 51.920954] ? __pfx_ksys_unshare+0x10/0x10 [ 51.921645] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.922509] __x64_sys_unshare+0x31/0x40 [ 51.923167] do_syscall_64+0x3f/0x90 [ 51.923774] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.924529] RIP: 0033:0x7f37835290d7 [ 51.925113] 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 [ 51.927744] RSP: 002b:00007ffca7857c58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.928874] RAX: ffffffffffffffda RBX: 00007ffca7858298 RCX: 00007f37835290d7 [ 51.929933] RDX: 00007f378359341f RSI: 00007ffca7857bf0 RDI: 0000000040000000 [ 51.931000] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca7857a00 [ 51.932042] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f378363bbf0 [ 51.933157] R13: 00007ffca7857d30 R14: 0000000000000000 R15: 00000000000000f8 [ 51.934233] [ 51.934642] irq event stamp: 9823 [ 51.935154] hardirqs last enabled at (9833): [] __up_console_sem+0x78/0x80 [ 51.936435] hardirqs last disabled at (9844): [] __up_console_sem+0x5d/0x80 [ 51.937688] softirqs last enabled at (9794): [] irq_exit_rcu+0x93/0xc0 [ 51.938910] softirqs last disabled at (9783): [] irq_exit_rcu+0x93/0xc0 [ 51.940113] ---[ end trace 0000000000000000 ]--- [ 51.941745] ------------[ cut here ]------------ [ 51.942441] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.944776] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.946008] Modules linked in: [ 51.946513] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.947845] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.949030] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.949818] 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 [ 51.952369] RSP: 0018:ffff88801a3ffbf0 EFLAGS: 00010286 [ 51.953172] RAX: 0000000000000000 RBX: ffff888008f00840 RCX: 0000000000000000 [ 51.954202] RDX: ffff88801a640000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.955249] RBP: ffff888008f00854 R08: 0000000000000001 R09: 0000000000000000 [ 51.956297] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.957331] R13: ffffffff84e223a0 R14: ffff888008f00848 R15: ffffffff84daf020 [ 51.958360] FS: 0000555555e31400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.959545] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.960401] CR2: 00007fc55c2256f4 CR3: 0000000016f98000 CR4: 0000000000350ef0 [ 51.961441] Call Trace: [ 51.961857] [ 51.962207] nf_ct_net_init+0x224/0x3d0 [ 51.962854] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.963521] ops_init+0xbb/0x6b0 [ 51.964064] setup_net+0x3d9/0x990 [ 51.964590] ? down_read_killable+0x1d7/0x4e0 [ 51.965294] ? __pfx_setup_net+0x10/0x10 [ 51.965958] ? copy_net_ns+0x17c/0x770 [ 51.966571] copy_net_ns+0x321/0x770 [ 51.967174] create_new_namespaces+0x3f6/0xb30 [ 51.967874] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.968579] ksys_unshare+0x44d/0x8e0 [ 51.969173] ? __pfx_ksys_unshare+0x10/0x10 [ 51.969838] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.970695] __x64_sys_unshare+0x31/0x40 [ 51.971308] do_syscall_64+0x3f/0x90 [ 51.971893] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.972676] RIP: 0033:0x7f37835290d7 [ 51.973222] 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 [ 51.975824] RSP: 002b:00007ffca7857c58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.976921] RAX: ffffffffffffffda RBX: 00007ffca7858298 RCX: 00007f37835290d7 [ 51.977966] RDX: 00007f378359341f RSI: 00007ffca7857bf0 RDI: 0000000040000000 [ 51.978995] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca7857a00 [ 51.980025] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f378363bbf0 [ 51.981049] R13: 00007ffca7857d30 R14: 0000000000000000 R15: 00000000000000f8 [ 51.982121] [ 51.982511] irq event stamp: 10661 [ 51.983045] hardirqs last enabled at (10673): [] __up_console_sem+0x78/0x80 [ 51.984273] hardirqs last disabled at (10684): [] __up_console_sem+0x5d/0x80 [ 51.985512] softirqs last enabled at (10546): [] irq_exit_rcu+0x93/0xc0 [ 51.986711] softirqs last disabled at (10537): [] irq_exit_rcu+0x93/0xc0 [ 51.987889] ---[ end trace 0000000000000000 ]--- executing program [ 53.477291] Bluetooth: hci0: command 0x0409 tx timeout [ 55.524675] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.572670] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.620690] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:30:45 Registers: info registers vcpu 0 RAX=000000000000006d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a3ff5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006d R11=0000000000000001 R12=000000000000006d 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 0000555555e31400 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=00007fc55c2256f4 CR3=0000000016f98000 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=000000000002b0c7 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007f2e0a181780 CR3=000000000eacc000 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=0dacb65b5b5fb7aee44187f8e8fa7942 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=353529fb530298ab000000000013b920 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=ca36e9632520b4c800000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000