syzkaller login: [ 31.240287] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:4398' (ECDSA) to the list of known hosts. 2023/05/17 07:43:15 fuzzer started 2023/05/17 07:43:16 dialing manager at localhost:35573 2023/05/17 07:43:16 checking machine... 2023/05/17 07:43:16 checking revisions... [ 35.637690] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:43:16 testing simple program... [ 35.701755] cgroup: Unknown subsys name 'net' [ 35.784599] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.761180] audit: type=1400 audit(1684309409.514:6): 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 [ 49.935268] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.937748] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.938930] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.942153] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.944258] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.945753] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.332408] ------------[ cut here ]------------ [ 50.333135] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.335217] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.336530] Modules linked in: [ 50.336970] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.342103] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.343317] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.344127] 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 [ 50.346522] RSP: 0018:ffff888016f0fc00 EFLAGS: 00010282 [ 50.347224] RAX: 0000000000000000 RBX: ffff88800db2d040 RCX: 0000000000000000 [ 50.348207] RDX: ffff888019151b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.349170] RBP: ffff88800db2d054 R08: 0000000000000001 R09: 0000000000000000 [ 50.350148] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.351128] R13: ffffffff84e223a0 R14: ffff88800db2d048 R15: ffffffff84d73340 [ 50.352148] FS: 0000555556dcf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.353229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.354048] CR2: 00007fe3750236f4 CR3: 0000000015ba8000 CR4: 0000000000350ee0 [ 50.355006] Call Trace: [ 50.355340] [ 50.355693] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.356316] ipv4_frags_init_net+0x269/0x440 [ 50.356910] ops_init+0xbb/0x6b0 [ 50.357360] setup_net+0x3d9/0x990 [ 50.357885] ? down_read_killable+0x1d7/0x4e0 [ 50.358537] ? __pfx_setup_net+0x10/0x10 [ 50.359080] ? copy_net_ns+0x17c/0x770 [ 50.359694] copy_net_ns+0x321/0x770 [ 50.360252] create_new_namespaces+0x3f6/0xb30 [ 50.360938] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.361630] ksys_unshare+0x44d/0x8e0 [ 50.362167] ? __pfx_ksys_unshare+0x10/0x10 [ 50.362807] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.363607] __x64_sys_unshare+0x31/0x40 [ 50.364186] do_syscall_64+0x3f/0x90 [ 50.364751] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.365449] RIP: 0033:0x7f66a4bdf0d7 [ 50.366002] 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 [ 50.368382] RSP: 002b:00007ffd91f027b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.369412] RAX: ffffffffffffffda RBX: 00007ffd91f02df8 RCX: 00007f66a4bdf0d7 [ 50.370385] RDX: 00007f66a4c4941f RSI: 00007ffd91f02750 RDI: 0000000040000000 [ 50.371355] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd91f02560 [ 50.372348] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f66a4cf1bf0 [ 50.373310] R13: 00007ffd91f02890 R14: 0000000000000000 R15: 00000000000000f8 [ 50.374299] [ 50.374662] irq event stamp: 8073 [ 50.375123] hardirqs last enabled at (8083): [] __up_console_sem+0x78/0x80 [ 50.376280] hardirqs last disabled at (8094): [] __up_console_sem+0x5d/0x80 [ 50.377427] softirqs last enabled at (7626): [] irq_exit_rcu+0x93/0xc0 [ 50.378554] softirqs last disabled at (7597): [] irq_exit_rcu+0x93/0xc0 [ 50.379675] ---[ end trace 0000000000000000 ]--- [ 50.386793] ------------[ cut here ]------------ [ 50.387425] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.389328] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.390506] Modules linked in: [ 50.390948] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.392220] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.393316] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.394063] 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 [ 50.396413] RSP: 0018:ffff888016f0fc00 EFLAGS: 00010282 [ 50.397157] RAX: 0000000000000000 RBX: ffff88800c6d9a40 RCX: 0000000000000000 [ 50.398114] RDX: ffff888019151b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.399080] RBP: ffff88800c6d9a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.400067] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.401036] R13: ffffffff84e223a0 R14: ffff88800c6d9a48 R15: ffffffff84da62e0 [ 50.402005] FS: 0000555556dcf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.403092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.403929] CR2: 00007fe3750236f4 CR3: 0000000015ba8000 CR4: 0000000000350ee0 [ 50.404903] Call Trace: [ 50.405249] [ 50.405604] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.406264] ipv6_frags_init_net+0x206/0x3c0 [ 50.406915] ops_init+0xbb/0x6b0 [ 50.407392] setup_net+0x3d9/0x990 [ 50.407942] ? down_read_killable+0x1d7/0x4e0 [ 50.408589] ? __pfx_setup_net+0x10/0x10 [ 50.409143] ? copy_net_ns+0x17c/0x770 [ 50.409732] copy_net_ns+0x321/0x770 [ 50.410246] create_new_namespaces+0x3f6/0xb30 [ 50.410913] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.411610] ksys_unshare+0x44d/0x8e0 [ 50.412154] ? __pfx_ksys_unshare+0x10/0x10 [ 50.412780] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.413579] __x64_sys_unshare+0x31/0x40 [ 50.414136] do_syscall_64+0x3f/0x90 [ 50.414691] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.415380] RIP: 0033:0x7f66a4bdf0d7 [ 50.415946] 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 [ 50.418306] RSP: 002b:00007ffd91f027b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.419345] RAX: ffffffffffffffda RBX: 00007ffd91f02df8 RCX: 00007f66a4bdf0d7 [ 50.420631] RDX: 00007f66a4c4941f RSI: 00007ffd91f02750 RDI: 0000000040000000 [ 50.421620] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd91f02560 [ 50.422603] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f66a4cf1bf0 [ 50.423601] R13: 00007ffd91f02890 R14: 0000000000000000 R15: 00000000000000f8 [ 50.424644] [ 50.424967] irq event stamp: 10161 [ 50.425432] hardirqs last enabled at (10171): [] __up_console_sem+0x78/0x80 [ 50.426663] hardirqs last disabled at (10194): [] __up_console_sem+0x5d/0x80 [ 50.427853] softirqs last enabled at (10190): [] irq_exit_rcu+0x93/0xc0 [ 50.428984] softirqs last disabled at (10181): [] irq_exit_rcu+0x93/0xc0 [ 50.430126] ---[ end trace 0000000000000000 ]--- [ 50.431590] ------------[ cut here ]------------ [ 50.432240] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.434241] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.435390] Modules linked in: [ 50.435883] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.437148] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.438241] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.438966] 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 [ 50.441343] RSP: 0018:ffff888016f0fbf0 EFLAGS: 00010286 [ 50.442095] RAX: 0000000000000000 RBX: ffff88800c6d8440 RCX: 0000000000000000 [ 50.443075] RDX: ffff888019151b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.444082] RBP: ffff88800c6d8454 R08: 0000000000000001 R09: 0000000000000000 [ 50.445064] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.446038] R13: ffffffff84e223a0 R14: ffff88800c6d8448 R15: ffffffff84daf020 [ 50.447030] FS: 0000555556dcf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.448120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.448937] CR2: 00007fe3750236f4 CR3: 0000000015ba8000 CR4: 0000000000350ee0 [ 50.449921] Call Trace: [ 50.450271] [ 50.450636] nf_ct_net_init+0x224/0x3d0 [ 50.451190] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.451868] ops_init+0xbb/0x6b0 [ 50.452348] setup_net+0x3d9/0x990 [ 50.452881] ? down_read_killable+0x1d7/0x4e0 [ 50.453524] ? __pfx_setup_net+0x10/0x10 [ 50.454073] ? copy_net_ns+0x17c/0x770 [ 50.454666] copy_net_ns+0x321/0x770 [ 50.455190] create_new_namespaces+0x3f6/0xb30 [ 50.455883] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.456585] ksys_unshare+0x44d/0x8e0 [ 50.457118] ? __pfx_ksys_unshare+0x10/0x10 [ 50.457754] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.458567] __x64_sys_unshare+0x31/0x40 [ 50.459136] do_syscall_64+0x3f/0x90 [ 50.459699] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.460403] RIP: 0033:0x7f66a4bdf0d7 [ 50.460950] 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 [ 50.463305] RSP: 002b:00007ffd91f027b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.464357] RAX: ffffffffffffffda RBX: 00007ffd91f02df8 RCX: 00007f66a4bdf0d7 [ 50.465327] RDX: 00007f66a4c4941f RSI: 00007ffd91f02750 RDI: 0000000040000000 [ 50.466304] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd91f02560 [ 50.467283] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f66a4cf1bf0 [ 50.468278] R13: 00007ffd91f02890 R14: 0000000000000000 R15: 00000000000000f8 [ 50.469303] [ 50.469666] irq event stamp: 10971 [ 50.470142] hardirqs last enabled at (10981): [] __up_console_sem+0x78/0x80 [ 50.471355] hardirqs last disabled at (10992): [] __up_console_sem+0x5d/0x80 [ 50.472519] softirqs last enabled at (10580): [] irq_exit_rcu+0x93/0xc0 [ 50.473618] softirqs last disabled at (10575): [] irq_exit_rcu+0x93/0xc0 [ 50.474736] ---[ end trace 0000000000000000 ]--- executing program [ 52.019134] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.066614] Bluetooth: hci0: command 0x041b tx timeout [ 56.114593] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.162593] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:43:31 Registers: info registers vcpu 0 RAX=000000000002ec8d RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007f9c126d0290 CR3=000000001a51c000 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=2031333a33343a37302037312079614d XMM01=5d3033353633332e30352020205b203a XMM02=646f4d205d3033353633332e30352020 XMM03=6b7a79732031333a33343a3730203731 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3731323533332e30352020205b XMM07=79732031333a33343a37302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016f0f598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe4fd1 R15=dffffc0000000000 RIP=ffffffff82507645 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 0000555556dcf400 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=00007fe3750236f4 CR3=0000000015ba8000 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