syzkaller login: [ 34.031814] sshd (211) used greatest stack depth: 24168 bytes left Warning: Permanently added '[localhost]:57640' (ECDSA) to the list of known hosts. 2023/05/18 01:08:06 fuzzer started 2023/05/18 01:08:07 dialing manager at localhost:44319 2023/05/18 01:08:07 checking machine... 2023/05/18 01:08:07 checking revisions... [ 38.039840] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:08:07 testing simple program... [ 38.113727] cgroup: Unknown subsys name 'net' [ 38.208704] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.423522] audit: type=1400 audit(1684372100.566:6): 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 [ 52.557731] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.559240] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.562668] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.566250] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.570022] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.571384] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 52.964543] ------------[ cut here ]------------ [ 52.965253] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.967374] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.968486] Modules linked in: [ 52.969005] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.971299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.973477] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.974569] 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 [ 52.976793] RSP: 0018:ffff888010207c00 EFLAGS: 00010282 [ 52.977406] RAX: 0000000000000000 RBX: ffff88800ef50040 RCX: 0000000000000000 [ 52.978322] RDX: ffff88801a180000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.979246] RBP: ffff88800ef50054 R08: 0000000000000001 R09: 0000000000000000 [ 52.980163] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.981073] R13: ffffffff84e23fe0 R14: ffff88800ef50048 R15: ffffffff84d74dc0 [ 52.981989] FS: 000055555617f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.983010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.983840] CR2: 00007fd5d824a6f4 CR3: 0000000015b80000 CR4: 0000000000350ef0 [ 52.984813] Call Trace: [ 52.985121] [ 52.985398] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.986122] ipv4_frags_init_net+0x269/0x440 [ 52.986877] ops_init+0xbb/0x6b0 [ 52.987304] setup_net+0x3d9/0x990 [ 52.987788] ? down_read_killable+0x1d7/0x4e0 [ 52.988330] ? __pfx_setup_net+0x10/0x10 [ 52.988838] ? copy_net_ns+0x17c/0x770 [ 52.989318] copy_net_ns+0x321/0x770 [ 52.989804] create_new_namespaces+0x3f6/0xb30 [ 52.990360] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.990978] ksys_unshare+0x44d/0x8e0 [ 52.991441] ? __pfx_ksys_unshare+0x10/0x10 [ 52.991979] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.992681] __x64_sys_unshare+0x31/0x40 [ 52.993167] do_syscall_64+0x3f/0x90 [ 52.993648] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.994256] RIP: 0033:0x7f2b9817d0d7 [ 52.994733] 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 [ 52.996754] RSP: 002b:00007ffeb98261f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.997631] RAX: ffffffffffffffda RBX: 00007ffeb9826838 RCX: 00007f2b9817d0d7 [ 52.998427] RDX: 00007f2b981e741f RSI: 00007ffeb9826190 RDI: 0000000040000000 [ 52.999273] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb9825fa0 [ 53.000104] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2b9828fbf0 [ 53.000931] R13: 00007ffeb98262d0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.001781] [ 53.002063] irq event stamp: 11197 [ 53.002462] hardirqs last enabled at (11207): [] __up_console_sem+0x78/0x80 [ 53.003472] hardirqs last disabled at (11218): [] __up_console_sem+0x5d/0x80 [ 53.004464] softirqs last enabled at (10950): [] irq_exit_rcu+0x93/0xc0 [ 53.005441] softirqs last disabled at (10935): [] irq_exit_rcu+0x93/0xc0 [ 53.006405] ---[ end trace 0000000000000000 ]--- [ 53.011337] ------------[ cut here ]------------ [ 53.011931] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.013512] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.014537] Modules linked in: [ 53.014965] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.016050] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.016997] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.017631] 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 [ 53.019664] RSP: 0018:ffff888010207c00 EFLAGS: 00010282 [ 53.020270] RAX: 0000000000000000 RBX: ffff88800ecbe240 RCX: 0000000000000000 [ 53.021112] RDX: ffff88801a180000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.021945] RBP: ffff88800ecbe254 R08: 0000000000000001 R09: 0000000000000000 [ 53.022968] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.024032] R13: ffffffff84e23fe0 R14: ffff88800ecbe248 R15: ffffffff84da7d60 [ 53.025112] FS: 000055555617f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.026292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.027203] CR2: 00007fd5d824a6f4 CR3: 0000000015b80000 CR4: 0000000000350ef0 [ 53.028305] Call Trace: [ 53.028735] [ 53.029094] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.029870] ipv6_frags_init_net+0x206/0x3c0 [ 53.030572] ops_init+0xbb/0x6b0 [ 53.031156] setup_net+0x3d9/0x990 [ 53.031748] ? down_read_killable+0x1d7/0x4e0 [ 53.032432] ? __pfx_setup_net+0x10/0x10 [ 53.033091] ? copy_net_ns+0x17c/0x770 [ 53.033745] copy_net_ns+0x321/0x770 [ 53.034333] create_new_namespaces+0x3f6/0xb30 [ 53.035317] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.036149] ksys_unshare+0x44d/0x8e0 [ 53.036797] ? __pfx_ksys_unshare+0x10/0x10 [ 53.037482] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.038412] __x64_sys_unshare+0x31/0x40 [ 53.039115] do_syscall_64+0x3f/0x90 [ 53.039742] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.040546] RIP: 0033:0x7f2b9817d0d7 [ 53.041169] 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 [ 53.043900] RSP: 002b:00007ffeb98261f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.045073] RAX: ffffffffffffffda RBX: 00007ffeb9826838 RCX: 00007f2b9817d0d7 [ 53.046179] RDX: 00007f2b981e741f RSI: 00007ffeb9826190 RDI: 0000000040000000 [ 53.047320] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb9825fa0 [ 53.048217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2b9828fbf0 [ 53.049119] R13: 00007ffeb98262d0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.050041] [ 53.050349] irq event stamp: 12987 [ 53.050829] hardirqs last enabled at (12999): [] __up_console_sem+0x78/0x80 [ 53.051894] hardirqs last disabled at (13010): [] __up_console_sem+0x5d/0x80 [ 53.052963] softirqs last enabled at (12960): [] irq_exit_rcu+0x93/0xc0 [ 53.054011] softirqs last disabled at (12951): [] irq_exit_rcu+0x93/0xc0 [ 53.055073] ---[ end trace 0000000000000000 ]--- [ 53.056537] ------------[ cut here ]------------ [ 53.057172] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.059081] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.060177] Modules linked in: [ 53.060587] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.061767] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.062792] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.063434] 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 [ 53.065593] RSP: 0018:ffff888010207bf0 EFLAGS: 00010286 [ 53.066267] RAX: 0000000000000000 RBX: ffff88800ecbea40 RCX: 0000000000000000 [ 53.067178] RDX: ffff88801a180000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.068082] RBP: ffff88800ecbea54 R08: 0000000000000001 R09: 0000000000000000 [ 53.068977] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.069868] R13: ffffffff84e23fe0 R14: ffff88800ecbea48 R15: ffffffff84db0aa0 [ 53.070784] FS: 000055555617f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.071786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.072492] CR2: 00007fd5d824a6f4 CR3: 0000000015b80000 CR4: 0000000000350ef0 [ 53.073392] Call Trace: [ 53.073747] [ 53.074049] nf_ct_net_init+0x224/0x3d0 [ 53.074574] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.075185] ops_init+0xbb/0x6b0 [ 53.075670] setup_net+0x3d9/0x990 [ 53.076126] ? down_read_killable+0x1d7/0x4e0 [ 53.076728] ? __pfx_setup_net+0x10/0x10 [ 53.077243] ? copy_net_ns+0x17c/0x770 [ 53.077794] copy_net_ns+0x321/0x770 [ 53.078284] create_new_namespaces+0x3f6/0xb30 [ 53.078913] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.079539] ksys_unshare+0x44d/0x8e0 [ 53.080064] ? __pfx_ksys_unshare+0x10/0x10 [ 53.080658] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.081370] __x64_sys_unshare+0x31/0x40 [ 53.081921] do_syscall_64+0x3f/0x90 [ 53.082399] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.083083] RIP: 0033:0x7f2b9817d0d7 [ 53.083546] 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 [ 53.085697] RSP: 002b:00007ffeb98261f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.086674] RAX: ffffffffffffffda RBX: 00007ffeb9826838 RCX: 00007f2b9817d0d7 [ 53.087529] RDX: 00007f2b981e741f RSI: 00007ffeb9826190 RDI: 0000000040000000 [ 53.088408] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb9825fa0 [ 53.089292] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2b9828fbf0 [ 53.090177] R13: 00007ffeb98262d0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.091100] [ 53.091404] irq event stamp: 13719 [ 53.091868] hardirqs last enabled at (13731): [] __up_console_sem+0x78/0x80 [ 53.092937] hardirqs last disabled at (13742): [] __up_console_sem+0x5d/0x80 [ 53.094000] softirqs last enabled at (13506): [] irq_exit_rcu+0x93/0xc0 [ 53.095042] softirqs last disabled at (13501): [] irq_exit_rcu+0x93/0xc0 [ 53.096086] ---[ end trace 0000000000000000 ]--- [ 54.633380] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.681680] Bluetooth: hci0: command 0x041b tx timeout [ 58.728686] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.776684] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:08:19 Registers: info registers vcpu 0 RAX=0000000000000061 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888010207618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000061 R11=0000000000000001 R12=0000000000000061 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 000055555617f400 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=00007fd5d824a6f4 CR3=0000000015b80000 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=dffffc0000000000 RBX=ffff888018e97898 RCX=0000000000000000 RDX=1ffff110031d2eaa RSI=0000000000000000 RDI=ffff888018e97550 RBP=ffff888018e975a0 RSP=ffff888018e974d8 R8 =ffffffff8612f580 R9 =ffffffff8612f584 R10=0000000000038001 R11=ffff888018e97588 R12=ffff888018e975a8 R13=ffff888018e97590 R14=ffff888018e97898 R15=ffff888018e97548 RIP=ffffffff811319b6 RFL=00000246 [---Z-P-] 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 00007faca3fff700 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=00007f61193e10a0 CR3=000000000f1ac000 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=2032323a38303a31302038312079614d XMM01=5d3939323137392e32352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3939323137392e32352020205b20 XMM07=732032323a38303a3130203831207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000