syzkaller login: [ 44.001763] sshd (220) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:56009' (ECDSA) to the list of known hosts. 2023/05/18 00:46:28 fuzzer started 2023/05/18 00:46:29 dialing manager at localhost:44319 2023/05/18 00:46:29 checking machine... 2023/05/18 00:46:29 checking revisions... [ 46.184749] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:46:29 testing simple program... [ 46.254137] cgroup: Unknown subsys name 'net' [ 46.336052] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 59.209139] audit: type=1400 audit(1684370802.263:6): avc: denied { execmem } for pid=260 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 60.329601] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.331146] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.332979] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.336985] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.339241] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.340652] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.650064] ------------[ cut here ]------------ [ 60.650892] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 60.653002] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.654421] Modules linked in: [ 60.654914] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.659921] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.661086] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.661779] 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 [ 60.663962] RSP: 0018:ffff88801e7a7c00 EFLAGS: 00010282 [ 60.664741] RAX: 0000000000000000 RBX: ffff88800ef5b840 RCX: 0000000000000000 [ 60.665734] RDX: ffff888016219b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.666717] RBP: ffff88800ef5b854 R08: 0000000000000001 R09: 0000000000000000 [ 60.667706] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 60.668703] R13: ffffffff84e23fe0 R14: ffff88800ef5b848 R15: ffffffff84d74dc0 [ 60.669714] FS: 0000555555719400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.670825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.671650] CR2: 00007fef1436a670 CR3: 000000000d58e000 CR4: 0000000000350ee0 [ 60.672647] Call Trace: [ 60.673010] [ 60.673340] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 60.674067] ipv4_frags_init_net+0x269/0x440 [ 60.674717] ops_init+0xbb/0x6b0 [ 60.675213] setup_net+0x3d9/0x990 [ 60.675753] ? down_read_killable+0x1d7/0x4e0 [ 60.676453] ? __pfx_setup_net+0x10/0x10 [ 60.677030] ? copy_net_ns+0x17c/0x770 [ 60.677636] copy_net_ns+0x321/0x770 [ 60.678178] create_new_namespaces+0x3f6/0xb30 [ 60.678867] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.679608] ksys_unshare+0x44d/0x8e0 [ 60.680156] ? __pfx_ksys_unshare+0x10/0x10 [ 60.680815] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.681648] __x64_sys_unshare+0x31/0x40 [ 60.682228] do_syscall_64+0x3f/0x90 [ 60.682808] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.683564] RIP: 0033:0x7f1ac68d30d7 [ 60.684082] 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 [ 60.686534] RSP: 002b:00007ffdeec52df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.687604] RAX: ffffffffffffffda RBX: 00007ffdeec53438 RCX: 00007f1ac68d30d7 [ 60.688630] RDX: 00007f1ac693d41f RSI: 00007ffdeec52d90 RDI: 0000000040000000 [ 60.689655] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdeec52ba0 [ 60.690677] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1ac69e5bf0 [ 60.691698] R13: 00007ffdeec52ed0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.692769] [ 60.693115] irq event stamp: 9005 [ 60.693636] hardirqs last enabled at (9017): [] __up_console_sem+0x78/0x80 [ 60.694858] hardirqs last disabled at (9028): [] __up_console_sem+0x5d/0x80 [ 60.696077] softirqs last enabled at (8560): [] irq_exit_rcu+0x93/0xc0 [ 60.697300] softirqs last disabled at (8549): [] irq_exit_rcu+0x93/0xc0 [ 60.698506] ---[ end trace 0000000000000000 ]--- [ 60.703550] ------------[ cut here ]------------ [ 60.704035] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 60.705548] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.706442] Modules linked in: [ 60.706761] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.707753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.708670] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.709174] 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 [ 60.710980] RSP: 0018:ffff88801e7a7c00 EFLAGS: 00010282 [ 60.711610] RAX: 0000000000000000 RBX: ffff888013a50240 RCX: 0000000000000000 [ 60.712276] RDX: ffff888016219b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.713061] RBP: ffff888013a50254 R08: 0000000000000001 R09: 0000000000000000 [ 60.713845] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 60.714645] R13: ffffffff84e23fe0 R14: ffff888013a50248 R15: ffffffff84da7d60 [ 60.715314] FS: 0000555555719400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 60.716212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.716884] CR2: 00007fef1442d7e0 CR3: 000000000d58e000 CR4: 0000000000350ef0 [ 60.717708] Call Trace: [ 60.717962] [ 60.718195] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 60.718788] ipv6_frags_init_net+0x206/0x3c0 [ 60.719222] ops_init+0xbb/0x6b0 [ 60.719715] setup_net+0x3d9/0x990 [ 60.720076] ? down_read_killable+0x1d7/0x4e0 [ 60.720667] ? __pfx_setup_net+0x10/0x10 [ 60.721074] ? copy_net_ns+0x17c/0x770 [ 60.721623] copy_net_ns+0x321/0x770 [ 60.722000] create_new_namespaces+0x3f6/0xb30 [ 60.722546] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.723031] ksys_unshare+0x44d/0x8e0 [ 60.723528] ? __pfx_ksys_unshare+0x10/0x10 [ 60.723956] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.724631] __x64_sys_unshare+0x31/0x40 [ 60.725032] do_syscall_64+0x3f/0x90 [ 60.725548] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.726049] RIP: 0033:0x7f1ac68d30d7 [ 60.726540] 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 [ 60.728476] RSP: 002b:00007ffdeec52df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.729200] RAX: ffffffffffffffda RBX: 00007ffdeec53438 RCX: 00007f1ac68d30d7 [ 60.729979] RDX: 00007f1ac693d41f RSI: 00007ffdeec52d90 RDI: 0000000040000000 [ 60.730780] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdeec52ba0 [ 60.731595] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1ac69e5bf0 [ 60.732272] R13: 00007ffdeec52ed0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.733047] [ 60.733282] irq event stamp: 13051 [ 60.733787] hardirqs last enabled at (13181): [] __up_console_sem+0x78/0x80 [ 60.734705] hardirqs last disabled at (13238): [] __up_console_sem+0x5d/0x80 [ 60.735626] softirqs last enabled at (13310): [] irq_exit_rcu+0x93/0xc0 [ 60.736536] softirqs last disabled at (13323): [] irq_exit_rcu+0x93/0xc0 [ 60.737325] ---[ end trace 0000000000000000 ]--- [ 60.738883] ------------[ cut here ]------------ [ 60.739340] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 60.741347] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.742185] Modules linked in: [ 60.742527] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.743422] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.744196] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.744741] 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 [ 60.746433] RSP: 0018:ffff88801e7a7bf0 EFLAGS: 00010286 [ 60.746949] RAX: 0000000000000000 RBX: ffff888013a50a40 RCX: 0000000000000000 [ 60.747651] RDX: ffff888016219b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.748339] RBP: ffff888013a50a54 R08: 0000000000000001 R09: 0000000000000000 [ 60.749040] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 60.749732] R13: ffffffff84e23fe0 R14: ffff888013a50a48 R15: ffffffff84db0aa0 [ 60.750428] FS: 0000555555719400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 60.751182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.751757] CR2: 00007fef1442d7e0 CR3: 000000000d58e000 CR4: 0000000000350ef0 [ 60.752454] Call Trace: [ 60.752709] [ 60.752940] nf_ct_net_init+0x224/0x3d0 [ 60.753344] ? __pfx_nf_ct_net_init+0x10/0x10 [ 60.753824] ops_init+0xbb/0x6b0 [ 60.754174] setup_net+0x3d9/0x990 [ 60.754554] ? down_read_killable+0x1d7/0x4e0 [ 60.754999] ? __pfx_setup_net+0x10/0x10 [ 60.755420] ? copy_net_ns+0x17c/0x770 [ 60.755816] copy_net_ns+0x321/0x770 [ 60.756191] create_new_namespaces+0x3f6/0xb30 [ 60.756676] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.757156] ksys_unshare+0x44d/0x8e0 [ 60.757565] ? __pfx_ksys_unshare+0x10/0x10 [ 60.757986] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.758557] __x64_sys_unshare+0x31/0x40 [ 60.758959] do_syscall_64+0x3f/0x90 [ 60.759327] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.759855] RIP: 0033:0x7f1ac68d30d7 [ 60.760213] 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 [ 60.761915] RSP: 002b:00007ffdeec52df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.762650] RAX: ffffffffffffffda RBX: 00007ffdeec53438 RCX: 00007f1ac68d30d7 [ 60.763316] RDX: 00007f1ac693d41f RSI: 00007ffdeec52d90 RDI: 0000000040000000 [ 60.764000] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdeec52ba0 [ 60.764683] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1ac69e5bf0 [ 60.765338] R13: 00007ffdeec52ed0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.766036] [ 60.766263] irq event stamp: 14545 [ 60.766624] hardirqs last enabled at (14557): [] __up_console_sem+0x78/0x80 [ 60.767454] hardirqs last disabled at (14568): [] __up_console_sem+0x5d/0x80 [ 60.768263] softirqs last enabled at (14064): [] irq_exit_rcu+0x93/0xc0 [ 60.769061] softirqs last disabled at (14051): [] irq_exit_rcu+0x93/0xc0 [ 60.769859] ---[ end trace 0000000000000000 ]--- executing program [ 62.417037] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 64.464421] Bluetooth: hci0: command 0x041b tx timeout [ 66.512520] Bluetooth: hci0: command 0x040f tx timeout executing program [ 68.561446] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:46:34 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=0000000000000002 RCX=0000000000000000 RDX=ffff888016ea8000 RSI=ffffffff8189d17b RDI=ffff888016ea89e0 RBP=ffff888016eefc30 RSP=ffff888016eefa98 R8 =0000000000000001 R9 =ffff888016ea89e8 R10=ffffffff85d35a17 R11=0000000000000001 R12=ffff888016eefc6c R13=dffffc0000000000 R14=0000000000000001 R15=ffff888016eefdf0 RIP=ffffffff814be660 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 00007fef14f27900 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=00007fef14337db0 CR3=000000000e942000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=0013ad65119292df00000000001104e0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=624c1289da93cba800000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000033 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801e7a75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000033 R11=0000000000000001 R12=0000000000000033 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 0000555555719400 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=00007fef1436a670 CR3=000000000d58e000 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