syzkaller login: [ 43.818491] sshd (232) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:26743' (ECDSA) to the list of known hosts. 2023/05/17 04:35:03 fuzzer started 2023/05/17 04:35:04 dialing manager at localhost:35573 2023/05/17 04:35:04 checking machine... 2023/05/17 04:35:04 checking revisions... [ 45.055677] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:35:04 testing simple program... [ 45.123909] cgroup: Unknown subsys name 'net' [ 45.221273] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.332630] audit: type=1400 audit(1684298117.586:6): avc: denied { execmem } for pid=266 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 59.459964] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.462335] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.464165] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.467903] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.470205] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.471755] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.873798] ------------[ cut here ]------------ [ 59.874701] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.877071] WARNING: CPU: 0 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.878488] Modules linked in: [ 59.879206] CPU: 0 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.884296] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.885550] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.886372] 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 [ 59.889039] RSP: 0018:ffff888010037c00 EFLAGS: 00010282 [ 59.889836] RAX: 0000000000000000 RBX: ffff88800dd2a040 RCX: 0000000000000000 [ 59.890911] RDX: ffff88800dbed1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.892028] RBP: ffff88800dd2a054 R08: 0000000000000001 R09: 0000000000000000 [ 59.893095] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.894159] R13: ffffffff84e223a0 R14: ffff88800dd2a048 R15: ffffffff84d73340 [ 59.895232] FS: 000055555597f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.896444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.897345] CR2: 00007ffc5975f000 CR3: 0000000009590000 CR4: 0000000000350ef0 [ 59.898415] Call Trace: [ 59.898802] [ 59.899195] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.899951] ipv4_frags_init_net+0x269/0x440 [ 59.900655] ops_init+0xbb/0x6b0 [ 59.901225] setup_net+0x3d9/0x990 [ 59.901770] ? down_read_killable+0x1d7/0x4e0 [ 59.902481] ? __pfx_setup_net+0x10/0x10 [ 59.903127] ? copy_net_ns+0x17c/0x770 [ 59.903749] copy_net_ns+0x321/0x770 [ 59.904355] create_new_namespaces+0x3f6/0xb30 [ 59.905092] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.905838] ksys_unshare+0x44d/0x8e0 [ 59.906464] ? __pfx_ksys_unshare+0x10/0x10 [ 59.907150] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.908053] __x64_sys_unshare+0x31/0x40 [ 59.908653] do_syscall_64+0x3f/0x90 [ 59.909263] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.910047] RIP: 0033:0x7faf6f0740d7 [ 59.910603] 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 [ 59.913267] RSP: 002b:00007fff73725168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.914382] RAX: ffffffffffffffda RBX: 00007fff737257a8 RCX: 00007faf6f0740d7 [ 59.915404] RDX: 00007faf6f0de41f RSI: 00007fff73725100 RDI: 0000000040000000 [ 59.916437] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff73724f10 [ 59.917538] R10: 0000000000000000 R11: 0000000000000202 R12: 00007faf6f186bf0 [ 59.918630] R13: 00007fff73725240 R14: 0000000000000000 R15: 00000000000000f8 [ 59.919736] [ 59.920137] irq event stamp: 10281 [ 59.920651] hardirqs last enabled at (10291): [] __up_console_sem+0x78/0x80 [ 59.921934] hardirqs last disabled at (10302): [] __up_console_sem+0x5d/0x80 [ 59.923195] softirqs last enabled at (9798): [] irq_exit_rcu+0x93/0xc0 [ 59.924471] softirqs last disabled at (9771): [] irq_exit_rcu+0x93/0xc0 [ 59.925721] ---[ end trace 0000000000000000 ]--- executing program [ 59.932938] ------------[ cut here ]------------ [ 59.933762] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.935707] WARNING: CPU: 0 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.937017] Modules linked in: [ 59.937509] CPU: 0 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.938885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.940097] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.940864] 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 [ 59.943465] RSP: 0018:ffff888010037c00 EFLAGS: 00010282 [ 59.944304] RAX: 0000000000000000 RBX: ffff88800c7dae40 RCX: 0000000000000000 [ 59.945381] RDX: ffff88800dbed1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.946439] RBP: ffff88800c7dae54 R08: 0000000000000001 R09: 0000000000000000 [ 59.947492] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.948572] R13: ffffffff84e223a0 R14: ffff88800c7dae48 R15: ffffffff84da62e0 [ 59.949632] FS: 000055555597f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.950827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.951707] CR2: 00007ffc5975f000 CR3: 0000000009590000 CR4: 0000000000350ef0 [ 59.952775] Call Trace: [ 59.953200] [ 59.953551] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.954297] ipv6_frags_init_net+0x206/0x3c0 [ 59.954958] ops_init+0xbb/0x6b0 [ 59.955548] setup_net+0x3d9/0x990 [ 59.956108] ? down_read_killable+0x1d7/0x4e0 [ 59.956757] ? __pfx_setup_net+0x10/0x10 [ 59.957385] ? copy_net_ns+0x17c/0x770 [ 59.957978] copy_net_ns+0x321/0x770 [ 59.958581] create_new_namespaces+0x3f6/0xb30 [ 59.959292] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.960057] ksys_unshare+0x44d/0x8e0 [ 59.960632] ? __pfx_ksys_unshare+0x10/0x10 [ 59.961293] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.962124] __x64_sys_unshare+0x31/0x40 [ 59.962732] do_syscall_64+0x3f/0x90 [ 59.963314] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.964115] RIP: 0033:0x7faf6f0740d7 [ 59.964660] 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 [ 59.967214] RSP: 002b:00007fff73725168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.968344] RAX: ffffffffffffffda RBX: 00007fff737257a8 RCX: 00007faf6f0740d7 [ 59.969390] RDX: 00007faf6f0de41f RSI: 00007fff73725100 RDI: 0000000040000000 [ 59.970427] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff73724f10 [ 59.971461] R10: 0000000000000000 R11: 0000000000000202 R12: 00007faf6f186bf0 [ 59.972510] R13: 00007fff73725240 R14: 0000000000000000 R15: 00000000000000f8 [ 59.973581] [ 59.973935] irq event stamp: 12227 [ 59.974472] hardirqs last enabled at (12239): [] __up_console_sem+0x78/0x80 [ 59.975732] hardirqs last disabled at (12250): [] __up_console_sem+0x5d/0x80 [ 59.977014] softirqs last enabled at (11706): [] irq_exit_rcu+0x93/0xc0 [ 59.978231] softirqs last disabled at (11671): [] irq_exit_rcu+0x93/0xc0 [ 59.979450] ---[ end trace 0000000000000000 ]--- [ 59.982770] ------------[ cut here ]------------ [ 59.983485] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.985669] WARNING: CPU: 0 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.986906] Modules linked in: [ 59.987415] CPU: 0 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.988780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.989961] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.990751] 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 [ 59.993231] RSP: 0018:ffff888010037bf0 EFLAGS: 00010286 [ 59.993958] RAX: 0000000000000000 RBX: ffff88800c7da840 RCX: 0000000000000000 [ 59.994941] RDX: ffff88800dbed1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.995956] RBP: ffff88800c7da854 R08: 0000000000000001 R09: 0000000000000000 [ 59.996930] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.997952] R13: ffffffff84e223a0 R14: ffff88800c7da848 R15: ffffffff84daf020 [ 59.998958] FS: 000055555597f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 60.000129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.000933] CR2: 00007ffc5975f000 CR3: 0000000009590000 CR4: 0000000000350ef0 [ 60.001962] Call Trace: [ 60.002373] [ 60.002724] nf_ct_net_init+0x224/0x3d0 [ 60.003353] ? __pfx_nf_ct_net_init+0x10/0x10 [ 60.004068] ops_init+0xbb/0x6b0 [ 60.004582] setup_net+0x3d9/0x990 [ 60.005134] ? down_read_killable+0x1d7/0x4e0 [ 60.005782] ? __pfx_setup_net+0x10/0x10 [ 60.006398] ? copy_net_ns+0x17c/0x770 [ 60.006979] copy_net_ns+0x321/0x770 [ 60.007567] create_new_namespaces+0x3f6/0xb30 [ 60.008268] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.008960] ksys_unshare+0x44d/0x8e0 [ 60.009553] ? __pfx_ksys_unshare+0x10/0x10 [ 60.010207] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.011054] __x64_sys_unshare+0x31/0x40 [ 60.011648] do_syscall_64+0x3f/0x90 [ 60.012217] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.012945] RIP: 0033:0x7faf6f0740d7 [ 60.013507] 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 [ 60.015978] RSP: 002b:00007fff73725168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.017103] RAX: ffffffffffffffda RBX: 00007fff737257a8 RCX: 00007faf6f0740d7 [ 60.018113] RDX: 00007faf6f0de41f RSI: 00007fff73725100 RDI: 0000000040000000 [ 60.019126] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff73724f10 [ 60.020137] R10: 0000000000000000 R11: 0000000000000202 R12: 00007faf6f186bf0 [ 60.021154] R13: 00007fff73725240 R14: 0000000000000000 R15: 00000000000000f8 [ 60.022186] [ 60.022526] irq event stamp: 14537 [ 60.023062] hardirqs last enabled at (14549): [] __up_console_sem+0x78/0x80 [ 60.024279] hardirqs last disabled at (14560): [] __up_console_sem+0x5d/0x80 [ 60.025490] softirqs last enabled at (14068): [] irq_exit_rcu+0x93/0xc0 [ 60.026661] softirqs last disabled at (14063): [] irq_exit_rcu+0x93/0xc0 [ 60.027910] ---[ end trace 0000000000000000 ]--- [ 61.539600] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.587173] Bluetooth: hci0: command 0x041b tx timeout [ 65.635050] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.683150] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:35:18 Registers: info registers vcpu 0 RAX=000000000000007a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880100375f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000007a R11=0000000000000001 R12=000000000000007a 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 000055555597f400 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=00007ffc5975f000 CR3=0000000009590000 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=000000000002e0c3 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=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=00007fea6499e730 CR3=000000000eba4000 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=e2984d25519fda8e204dc5edb8ce9835 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=215803f4a2206dac000000000013caa0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=0009b39fd8ebf23000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000