syzkaller login: [ 33.599113] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:57733' (ECDSA) to the list of known hosts. 2023/05/17 17:59:32 fuzzer started 2023/05/17 17:59:32 dialing manager at localhost:44319 2023/05/17 17:59:32 checking machine... 2023/05/17 17:59:32 checking revisions... [ 35.708974] kmemleak: Automatic memory scanning thread ended 2023/05/17 17:59:32 testing simple program... [ 35.774936] cgroup: Unknown subsys name 'net' [ 35.854938] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.190985] audit: type=1400 audit(1684346384.969:6): 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 [ 49.314205] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.316139] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.317371] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.320027] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.322574] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.323679] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.715870] ------------[ cut here ]------------ [ 49.716684] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.718929] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.720200] Modules linked in: [ 49.720761] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.725726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.726766] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.727436] 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 [ 49.729628] RSP: 0018:ffff8880193a7c00 EFLAGS: 00010282 [ 49.730306] RAX: 0000000000000000 RBX: ffff88800f9d8840 RCX: 0000000000000000 [ 49.731188] RDX: ffff88801cf03680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.732071] RBP: ffff88800f9d8854 R08: 0000000000000001 R09: 0000000000000000 [ 49.732969] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.733855] R13: ffffffff84e23fe0 R14: ffff88800f9d8848 R15: ffffffff84d74dc0 [ 49.734771] FS: 00005555558b0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.735765] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.736501] CR2: 00007f36c46ef6f4 CR3: 00000000201b8000 CR4: 0000000000350ee0 [ 49.737374] Call Trace: [ 49.737696] [ 49.737989] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.738624] ipv4_frags_init_net+0x269/0x440 [ 49.739177] ops_init+0xbb/0x6b0 [ 49.739656] setup_net+0x3d9/0x990 [ 49.740108] ? down_read_killable+0x1d7/0x4e0 [ 49.740732] ? __pfx_setup_net+0x10/0x10 [ 49.741240] ? copy_net_ns+0x17c/0x770 [ 49.741770] copy_net_ns+0x321/0x770 [ 49.742246] create_new_namespaces+0x3f6/0xb30 [ 49.742856] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.743501] ksys_unshare+0x44d/0x8e0 [ 49.743986] ? __pfx_ksys_unshare+0x10/0x10 [ 49.744562] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.745303] __x64_sys_unshare+0x31/0x40 [ 49.745860] do_syscall_64+0x3f/0x90 [ 49.746368] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.747015] RIP: 0033:0x7f3bf93f80d7 [ 49.747499] 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 [ 49.749671] RSP: 002b:00007fffeb47b648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.750622] RAX: ffffffffffffffda RBX: 00007fffeb47bc88 RCX: 00007f3bf93f80d7 [ 49.751498] RDX: 00007f3bf946241f RSI: 00007fffeb47b5e0 RDI: 0000000040000000 [ 49.752408] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffeb47b3f0 [ 49.753299] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3bf950abf0 [ 49.754168] R13: 00007fffeb47b720 R14: 0000000000000000 R15: 00000000000000f8 [ 49.755090] [ 49.755420] irq event stamp: 10411 [ 49.755857] hardirqs last enabled at (10421): [] __up_console_sem+0x78/0x80 [ 49.756940] hardirqs last disabled at (10432): [] __up_console_sem+0x5d/0x80 [ 49.758005] softirqs last enabled at (10336): [] irq_exit_rcu+0x93/0xc0 [ 49.759047] softirqs last disabled at (10331): [] irq_exit_rcu+0x93/0xc0 [ 49.760091] ---[ end trace 0000000000000000 ]--- [ 49.764862] ------------[ cut here ]------------ [ 49.765620] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.767246] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.768313] Modules linked in: [ 49.768743] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.769891] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.770885] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.771549] 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 [ 49.773716] RSP: 0018:ffff8880193a7c00 EFLAGS: 00010282 [ 49.774395] RAX: 0000000000000000 RBX: ffff88800e3a1e40 RCX: 0000000000000000 [ 49.775249] RDX: ffff88801cf03680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.776131] RBP: ffff88800e3a1e54 R08: 0000000000000001 R09: 0000000000000000 [ 49.777024] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.777906] R13: ffffffff84e23fe0 R14: ffff88800e3a1e48 R15: ffffffff84da7d60 [ 49.778794] FS: 00005555558b0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.779775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.780536] CR2: 00007f36c46ef6f4 CR3: 00000000201b8000 CR4: 0000000000350ee0 [ 49.781421] Call Trace: [ 49.781743] [ 49.782040] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.782683] ipv6_frags_init_net+0x206/0x3c0 [ 49.783242] ops_init+0xbb/0x6b0 [ 49.783718] setup_net+0x3d9/0x990 [ 49.784170] ? down_read_killable+0x1d7/0x4e0 [ 49.784780] ? __pfx_setup_net+0x10/0x10 [ 49.785317] ? copy_net_ns+0x17c/0x770 [ 49.785824] copy_net_ns+0x321/0x770 [ 49.786329] create_new_namespaces+0x3f6/0xb30 [ 49.786914] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.787550] ksys_unshare+0x44d/0x8e0 [ 49.788044] ? __pfx_ksys_unshare+0x10/0x10 [ 49.788636] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.789367] __x64_sys_unshare+0x31/0x40 [ 49.789887] do_syscall_64+0x3f/0x90 [ 49.790386] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.791023] RIP: 0033:0x7f3bf93f80d7 [ 49.791511] 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 [ 49.793692] RSP: 002b:00007fffeb47b648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.794647] RAX: ffffffffffffffda RBX: 00007fffeb47bc88 RCX: 00007f3bf93f80d7 [ 49.795519] RDX: 00007f3bf946241f RSI: 00007fffeb47b5e0 RDI: 0000000040000000 [ 49.796420] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffeb47b3f0 [ 49.797307] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3bf950abf0 [ 49.798152] R13: 00007fffeb47b720 R14: 0000000000000000 R15: 00000000000000f8 [ 49.799091] [ 49.799421] irq event stamp: 11967 [ 49.799860] hardirqs last enabled at (11977): [] __up_console_sem+0x78/0x80 [ 49.800924] hardirqs last disabled at (11988): [] __up_console_sem+0x5d/0x80 [ 49.801984] softirqs last enabled at (11950): [] irq_exit_rcu+0x93/0xc0 [ 49.803016] softirqs last disabled at (11937): [] irq_exit_rcu+0x93/0xc0 [ 49.804055] ---[ end trace 0000000000000000 ]--- [ 49.805679] ------------[ cut here ]------------ [ 49.806261] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.808179] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.809263] Modules linked in: [ 49.809687] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.810860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.811862] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.812545] 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 [ 49.814729] RSP: 0018:ffff8880193a7bf0 EFLAGS: 00010286 [ 49.815412] RAX: 0000000000000000 RBX: ffff88800e3a1840 RCX: 0000000000000000 [ 49.816269] RDX: ffff88801cf03680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.817175] RBP: ffff88800e3a1854 R08: 0000000000000001 R09: 0000000000000000 [ 49.818059] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.818952] R13: ffffffff84e23fe0 R14: ffff88800e3a1848 R15: ffffffff84db0aa0 [ 49.819848] FS: 00005555558b0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.820843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.821590] CR2: 00007f36c46ef6f4 CR3: 00000000201b8000 CR4: 0000000000350ee0 [ 49.822475] Call Trace: [ 49.822796] [ 49.823092] nf_ct_net_init+0x224/0x3d0 [ 49.823636] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.824208] ops_init+0xbb/0x6b0 [ 49.824703] setup_net+0x3d9/0x990 [ 49.825158] ? down_read_killable+0x1d7/0x4e0 [ 49.825759] ? __pfx_setup_net+0x10/0x10 [ 49.826266] ? copy_net_ns+0x17c/0x770 [ 49.826800] copy_net_ns+0x321/0x770 [ 49.827306] create_new_namespaces+0x3f6/0xb30 [ 49.827890] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.828534] ksys_unshare+0x44d/0x8e0 [ 49.829019] ? __pfx_ksys_unshare+0x10/0x10 [ 49.829587] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.830320] __x64_sys_unshare+0x31/0x40 [ 49.830831] do_syscall_64+0x3f/0x90 [ 49.831339] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.831985] RIP: 0033:0x7f3bf93f80d7 [ 49.832496] 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 [ 49.834651] RSP: 002b:00007fffeb47b648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.835612] RAX: ffffffffffffffda RBX: 00007fffeb47bc88 RCX: 00007f3bf93f80d7 [ 49.836503] RDX: 00007f3bf946241f RSI: 00007fffeb47b5e0 RDI: 0000000040000000 [ 49.837393] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffeb47b3f0 [ 49.838255] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3bf950abf0 [ 49.839128] R13: 00007fffeb47b720 R14: 0000000000000000 R15: 00000000000000f8 [ 49.840043] [ 49.840388] irq event stamp: 12745 [ 49.840824] hardirqs last enabled at (12755): [] __up_console_sem+0x78/0x80 [ 49.841887] hardirqs last disabled at (12766): [] __up_console_sem+0x5d/0x80 [ 49.842953] softirqs last enabled at (12318): [] irq_exit_rcu+0x93/0xc0 [ 49.844007] softirqs last disabled at (12313): [] irq_exit_rcu+0x93/0xc0 [ 49.845047] ---[ end trace 0000000000000000 ]--- executing program [ 51.398930] Bluetooth: hci0: command 0x0409 tx timeout [ 53.446359] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.494363] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.542378] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:59:46 Registers: info registers vcpu 0 RAX=000000000001f127 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007f61d110f000 CR3=000000000e8fc000 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=a31e8ff205c984b9884ae4a97cd052f2 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=db3eb7b1a69e4d8b000000000013bf10 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=e025562f2964d0b400000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880193a7598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 00005555558b0400 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=00007f36c46ef6f4 CR3=00000000201b8000 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