syzkaller login: [ 39.414243] sshd (218) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:45693' (ECDSA) to the list of known hosts. 2023/05/17 17:52:55 fuzzer started 2023/05/17 17:52:56 dialing manager at localhost:44319 2023/05/17 17:52:56 checking machine... 2023/05/17 17:52:56 checking revisions... [ 41.615515] kmemleak: Automatic memory scanning thread ended 2023/05/17 17:52:56 testing simple program... [ 41.684647] cgroup: Unknown subsys name 'net' [ 41.769608] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.054527] audit: type=1400 audit(1684345989.715:6): 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 [ 56.162927] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.164840] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.166625] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.168969] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.170635] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.171881] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 56.551435] ------------[ cut here ]------------ [ 56.552565] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.554255] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.555366] Modules linked in: [ 56.555769] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.560520] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.561535] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.562205] 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 [ 56.564380] RSP: 0018:ffff888013fe7c00 EFLAGS: 00010282 [ 56.565060] RAX: 0000000000000000 RBX: ffff88800d02fc40 RCX: 0000000000000000 [ 56.565902] RDX: ffff888019a6d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.566780] RBP: ffff88800d02fc54 R08: 0000000000000001 R09: 0000000000000000 [ 56.567656] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.568560] R13: ffffffff84e23fe0 R14: ffff88800d02fc48 R15: ffffffff84d74dc0 [ 56.569441] FS: 0000555555646400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.570418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.571159] CR2: 00007fb50cf316f4 CR3: 000000000fa2c000 CR4: 0000000000350ef0 [ 56.572044] Call Trace: [ 56.572365] [ 56.572666] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.573306] ipv4_frags_init_net+0x269/0x440 [ 56.573859] ops_init+0xbb/0x6b0 [ 56.574340] setup_net+0x3d9/0x990 [ 56.574787] ? down_read_killable+0x1d7/0x4e0 [ 56.575387] ? __pfx_setup_net+0x10/0x10 [ 56.575888] ? copy_net_ns+0x17c/0x770 [ 56.576450] copy_net_ns+0x321/0x770 [ 56.576927] create_new_namespaces+0x3f6/0xb30 [ 56.577543] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.578180] ksys_unshare+0x44d/0x8e0 [ 56.578664] ? __pfx_ksys_unshare+0x10/0x10 [ 56.579231] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.579935] __x64_sys_unshare+0x31/0x40 [ 56.580474] do_syscall_64+0x3f/0x90 [ 56.580943] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.581630] RIP: 0033:0x7fa84af450d7 [ 56.582116] 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 [ 56.584258] RSP: 002b:00007ffd2d29dc68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.585203] RAX: ffffffffffffffda RBX: 00007ffd2d29e2a8 RCX: 00007fa84af450d7 [ 56.586092] RDX: 00007fa84afaf41f RSI: 00007ffd2d29dc00 RDI: 0000000040000000 [ 56.586939] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2d29da10 [ 56.587823] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa84b057bf0 [ 56.588715] R13: 00007ffd2d29dd40 R14: 0000000000000000 R15: 00000000000000f8 [ 56.589616] [ 56.589912] irq event stamp: 8425 [ 56.590359] hardirqs last enabled at (8437): [] __up_console_sem+0x78/0x80 [ 56.591455] hardirqs last disabled at (8448): [] __up_console_sem+0x5d/0x80 [ 56.592554] softirqs last enabled at (8100): [] irq_exit_rcu+0x93/0xc0 [ 56.593615] softirqs last disabled at (8095): [] irq_exit_rcu+0x93/0xc0 [ 56.594672] ---[ end trace 0000000000000000 ]--- [ 56.601115] ------------[ cut here ]------------ [ 56.601726] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.603507] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.604630] Modules linked in: [ 56.605075] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.606254] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.607298] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.607962] 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 [ 56.610230] RSP: 0018:ffff888013fe7c00 EFLAGS: 00010282 [ 56.610899] RAX: 0000000000000000 RBX: ffff88800d98d840 RCX: 0000000000000000 [ 56.611819] RDX: ffff888019a6d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.612752] RBP: ffff88800d98d854 R08: 0000000000000001 R09: 0000000000000000 [ 56.613664] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.614571] R13: ffffffff84e23fe0 R14: ffff88800d98d848 R15: ffffffff84da7d60 [ 56.615488] FS: 0000555555646400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.616531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.617293] CR2: 00007fb50cf316f4 CR3: 000000000fa2c000 CR4: 0000000000350ef0 [ 56.618218] Call Trace: [ 56.618553] [ 56.618858] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.619532] ipv6_frags_init_net+0x206/0x3c0 [ 56.620158] ops_init+0xbb/0x6b0 [ 56.620620] setup_net+0x3d9/0x990 [ 56.621113] ? down_read_killable+0x1d7/0x4e0 [ 56.621699] ? __pfx_setup_net+0x10/0x10 [ 56.622255] ? copy_net_ns+0x17c/0x770 [ 56.622778] copy_net_ns+0x321/0x770 [ 56.623302] create_new_namespaces+0x3f6/0xb30 [ 56.623925] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.624596] ksys_unshare+0x44d/0x8e0 [ 56.625135] ? __pfx_ksys_unshare+0x10/0x10 [ 56.625700] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.626454] __x64_sys_unshare+0x31/0x40 [ 56.627017] do_syscall_64+0x3f/0x90 [ 56.627507] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.628207] RIP: 0033:0x7fa84af450d7 [ 56.628699] 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 [ 56.630947] RSP: 002b:00007ffd2d29dc68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.631921] RAX: ffffffffffffffda RBX: 00007ffd2d29e2a8 RCX: 00007fa84af450d7 [ 56.632844] RDX: 00007fa84afaf41f RSI: 00007ffd2d29dc00 RDI: 0000000040000000 [ 56.633768] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2d29da10 [ 56.634691] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa84b057bf0 [ 56.635609] R13: 00007ffd2d29dd40 R14: 0000000000000000 R15: 00000000000000f8 [ 56.636562] [ 56.636873] irq event stamp: 10517 [ 56.637353] hardirqs last enabled at (10529): [] __up_console_sem+0x78/0x80 [ 56.638443] hardirqs last disabled at (10540): [] __up_console_sem+0x5d/0x80 [ 56.639550] softirqs last enabled at (10478): [] irq_exit_rcu+0x93/0xc0 [ 56.640626] softirqs last disabled at (10473): [] irq_exit_rcu+0x93/0xc0 [ 56.641699] ---[ end trace 0000000000000000 ]--- [ 56.643088] ------------[ cut here ]------------ [ 56.643688] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.645607] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.646704] Modules linked in: [ 56.647161] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.648361] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.649397] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.650094] 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 [ 56.652372] RSP: 0018:ffff888013fe7bf0 EFLAGS: 00010286 [ 56.653071] RAX: 0000000000000000 RBX: ffff88800d98cc40 RCX: 0000000000000000 [ 56.654171] RDX: ffff888019a6d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.655086] RBP: ffff88800d98cc54 R08: 0000000000000001 R09: 0000000000000000 [ 56.656024] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.656907] R13: ffffffff84e23fe0 R14: ffff88800d98cc48 R15: ffffffff84db0aa0 [ 56.657825] FS: 0000555555646400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.658843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.659605] CR2: 00007fb50cf316f4 CR3: 000000000fa2c000 CR4: 0000000000350ef0 [ 56.660544] Call Trace: [ 56.660875] [ 56.661223] nf_ct_net_init+0x224/0x3d0 [ 56.661756] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.662380] ops_init+0xbb/0x6b0 [ 56.662834] setup_net+0x3d9/0x990 [ 56.663331] ? down_read_killable+0x1d7/0x4e0 [ 56.663924] ? __pfx_setup_net+0x10/0x10 [ 56.664474] ? copy_net_ns+0x17c/0x770 [ 56.664978] copy_net_ns+0x321/0x770 [ 56.665496] create_new_namespaces+0x3f6/0xb30 [ 56.666110] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.666730] ksys_unshare+0x44d/0x8e0 [ 56.667253] ? __pfx_ksys_unshare+0x10/0x10 [ 56.667795] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.668556] __x64_sys_unshare+0x31/0x40 [ 56.669097] do_syscall_64+0x3f/0x90 [ 56.669568] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.670240] RIP: 0033:0x7fa84af450d7 [ 56.670698] 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 [ 56.672861] RSP: 002b:00007ffd2d29dc68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.673800] RAX: ffffffffffffffda RBX: 00007ffd2d29e2a8 RCX: 00007fa84af450d7 [ 56.674678] RDX: 00007fa84afaf41f RSI: 00007ffd2d29dc00 RDI: 0000000040000000 [ 56.675557] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2d29da10 [ 56.676465] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa84b057bf0 [ 56.677340] R13: 00007ffd2d29dd40 R14: 0000000000000000 R15: 00000000000000f8 [ 56.678258] [ 56.678564] irq event stamp: 11347 [ 56.679030] hardirqs last enabled at (11359): [] __up_console_sem+0x78/0x80 [ 56.680095] hardirqs last disabled at (11370): [] __up_console_sem+0x5d/0x80 [ 56.681157] softirqs last enabled at (10950): [] irq_exit_rcu+0x93/0xc0 [ 56.682179] softirqs last disabled at (10945): [] irq_exit_rcu+0x93/0xc0 [ 56.683197] ---[ end trace 0000000000000000 ]--- [ 58.187836] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 60.235560] Bluetooth: hci0: command 0x041b tx timeout [ 62.283067] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.331079] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:53:06 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888013fe7598 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 0000555555646400 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=00007fb50cf316f4 CR3=000000000fa2c000 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=000000000001ec45 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] 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=00007fb038039018 CR3=000000000fbc6000 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=2031313a33353a37312037312079614d XMM01=5d3535323435352e36352020205b203a XMM02=74656e20746120393532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3535323435352e36352020205b XMM07=79732031313a33353a37312037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000