syzkaller login: [ 41.679599] sshd (225) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:41727' (ECDSA) to the list of known hosts. 2023/05/17 07:56:01 fuzzer started 2023/05/17 07:56:01 dialing manager at localhost:35573 2023/05/17 07:56:01 checking machine... 2023/05/17 07:56:01 checking revisions... [ 42.925008] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:56:01 testing simple program... [ 43.001903] cgroup: Unknown subsys name 'net' [ 43.087535] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.120397] audit: type=1400 audit(1684310175.794:6): 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 executing program [ 58.256664] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.260321] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.261860] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.265317] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.267106] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.268802] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.647297] ------------[ cut here ]------------ [ 58.648142] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.650710] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.652176] Modules linked in: [ 58.652749] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.657532] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.658575] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.659254] 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 [ 58.661473] RSP: 0018:ffff88801e657c00 EFLAGS: 00010282 [ 58.662135] RAX: 0000000000000000 RBX: ffff88800ed01040 RCX: 0000000000000000 [ 58.663037] RDX: ffff888016f051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.663941] RBP: ffff88800ed01054 R08: 0000000000000001 R09: 0000000000000000 [ 58.664839] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.665728] R13: ffffffff84e223a0 R14: ffff88800ed01048 R15: ffffffff84d73340 [ 58.666630] FS: 0000555556f64400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.667628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.668377] CR2: 00007efd88d366f4 CR3: 0000000015ee0000 CR4: 0000000000350ef0 [ 58.669264] Call Trace: [ 58.669594] [ 58.669893] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.670533] ipv4_frags_init_net+0x269/0x440 [ 58.671093] ops_init+0xbb/0x6b0 [ 58.671564] setup_net+0x3d9/0x990 [ 58.672011] ? down_read_killable+0x1d7/0x4e0 [ 58.672664] ? __pfx_setup_net+0x10/0x10 [ 58.673177] ? copy_net_ns+0x17c/0x770 [ 58.673713] copy_net_ns+0x321/0x770 [ 58.674192] create_new_namespaces+0x3f6/0xb30 [ 58.674808] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.675451] ksys_unshare+0x44d/0x8e0 [ 58.675943] ? __pfx_ksys_unshare+0x10/0x10 [ 58.676522] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.677249] __x64_sys_unshare+0x31/0x40 [ 58.677767] do_syscall_64+0x3f/0x90 [ 58.678272] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.678911] RIP: 0033:0x7f53190f10d7 [ 58.679400] 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 [ 58.681548] RSP: 002b:00007ffed1eeef38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.682475] RAX: ffffffffffffffda RBX: 00007ffed1eef578 RCX: 00007f53190f10d7 [ 58.683454] RDX: 00007f531915b41f RSI: 00007ffed1eeeed0 RDI: 0000000040000000 [ 58.684534] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed1eeece0 [ 58.685572] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5319203bf0 [ 58.686609] R13: 00007ffed1eef010 R14: 0000000000000000 R15: 00000000000000f8 [ 58.687673] [ 58.688031] irq event stamp: 7877 [ 58.688585] hardirqs last enabled at (7889): [] __up_console_sem+0x78/0x80 [ 58.689815] hardirqs last disabled at (7900): [] __up_console_sem+0x5d/0x80 [ 58.691065] softirqs last enabled at (7184): [] irq_exit_rcu+0x93/0xc0 [ 58.692289] softirqs last disabled at (7007): [] irq_exit_rcu+0x93/0xc0 [ 58.693543] ---[ end trace 0000000000000000 ]--- [ 58.699623] ------------[ cut here ]------------ [ 58.700360] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.702439] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.703678] Modules linked in: [ 58.704162] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.705542] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.706733] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.707537] 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 [ 58.710055] RSP: 0018:ffff88801e657c00 EFLAGS: 00010282 [ 58.710842] RAX: 0000000000000000 RBX: ffff88800eca1040 RCX: 0000000000000000 [ 58.711869] RDX: ffff888016f051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.712895] RBP: ffff88800eca1054 R08: 0000000000000001 R09: 0000000000000000 [ 58.713928] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.714951] R13: ffffffff84e223a0 R14: ffff88800eca1048 R15: ffffffff84da62e0 [ 58.715978] FS: 0000555556f64400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.717149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.718009] CR2: 00007efd88d366f4 CR3: 0000000015ee0000 CR4: 0000000000350ef0 [ 58.719038] Call Trace: [ 58.719443] [ 58.719790] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.720520] ipv6_frags_init_net+0x206/0x3c0 [ 58.721153] ops_init+0xbb/0x6b0 [ 58.721689] setup_net+0x3d9/0x990 [ 58.722232] ? down_read_killable+0x1d7/0x4e0 [ 58.722879] ? __pfx_setup_net+0x10/0x10 [ 58.723487] ? copy_net_ns+0x17c/0x770 [ 58.724072] copy_net_ns+0x321/0x770 [ 58.724657] create_new_namespaces+0x3f6/0xb30 [ 58.725361] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.726078] ksys_unshare+0x44d/0x8e0 [ 58.726677] ? __pfx_ksys_unshare+0x10/0x10 [ 58.727336] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.728180] __x64_sys_unshare+0x31/0x40 [ 58.728811] do_syscall_64+0x3f/0x90 [ 58.729388] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.730120] RIP: 0033:0x7f53190f10d7 [ 58.730680] 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 [ 58.733133] RSP: 002b:00007ffed1eeef38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.734230] RAX: ffffffffffffffda RBX: 00007ffed1eef578 RCX: 00007f53190f10d7 [ 58.735235] RDX: 00007f531915b41f RSI: 00007ffed1eeeed0 RDI: 0000000040000000 [ 58.736237] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed1eeece0 [ 58.737239] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5319203bf0 [ 58.738247] R13: 00007ffed1eef010 R14: 0000000000000000 R15: 00000000000000f8 [ 58.739287] [ 58.739631] irq event stamp: 9703 [ 58.740129] hardirqs last enabled at (9713): [] __up_console_sem+0x78/0x80 [ 58.741341] hardirqs last disabled at (9724): [] __up_console_sem+0x5d/0x80 [ 58.742548] softirqs last enabled at (9256): [] irq_exit_rcu+0x93/0xc0 [ 58.743705] softirqs last disabled at (9247): [] irq_exit_rcu+0x93/0xc0 [ 58.744873] ---[ end trace 0000000000000000 ]--- [ 58.746410] ------------[ cut here ]------------ [ 58.747056] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.749426] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.750623] Modules linked in: [ 58.751080] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.752393] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.753535] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.754283] 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 [ 58.756711] RSP: 0018:ffff88801e657bf0 EFLAGS: 00010286 [ 58.757478] RAX: 0000000000000000 RBX: ffff88800eca1640 RCX: 0000000000000000 [ 58.758466] RDX: ffff888016f051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.759462] RBP: ffff88800eca1654 R08: 0000000000000001 R09: 0000000000000000 [ 58.760443] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.761417] R13: ffffffff84e223a0 R14: ffff88800eca1648 R15: ffffffff84daf020 [ 58.762392] FS: 0000555556f64400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.763456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.764263] CR2: 00007efd88d366f4 CR3: 0000000015ee0000 CR4: 0000000000350ef0 [ 58.765174] Call Trace: [ 58.765558] [ 58.765878] nf_ct_net_init+0x224/0x3d0 [ 58.766453] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.767059] ops_init+0xbb/0x6b0 [ 58.767558] setup_net+0x3d9/0x990 [ 58.768045] ? down_read_killable+0x1d7/0x4e0 [ 58.768673] ? __pfx_setup_net+0x10/0x10 [ 58.769242] ? copy_net_ns+0x17c/0x770 [ 58.769791] copy_net_ns+0x321/0x770 [ 58.770340] create_new_namespaces+0x3f6/0xb30 [ 58.770965] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.771655] ksys_unshare+0x44d/0x8e0 [ 58.772190] ? __pfx_ksys_unshare+0x10/0x10 [ 58.772813] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.773617] __x64_sys_unshare+0x31/0x40 [ 58.774178] do_syscall_64+0x3f/0x90 [ 58.774726] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.775454] RIP: 0033:0x7f53190f10d7 [ 58.775944] 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 [ 58.778294] RSP: 002b:00007ffed1eeef38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.779306] RAX: ffffffffffffffda RBX: 00007ffed1eef578 RCX: 00007f53190f10d7 [ 58.780252] RDX: 00007f531915b41f RSI: 00007ffed1eeeed0 RDI: 0000000040000000 [ 58.781147] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed1eeece0 [ 58.782078] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5319203bf0 [ 58.783000] R13: 00007ffed1eef010 R14: 0000000000000000 R15: 00000000000000f8 [ 58.783990] [ 58.784365] irq event stamp: 10429 [ 58.784817] hardirqs last enabled at (10439): [] __up_console_sem+0x78/0x80 [ 58.785924] hardirqs last disabled at (10450): [] __up_console_sem+0x5d/0x80 [ 58.787033] softirqs last enabled at (10066): [] irq_exit_rcu+0x93/0xc0 [ 58.788135] softirqs last disabled at (10061): [] irq_exit_rcu+0x93/0xc0 [ 58.789244] ---[ end trace 0000000000000000 ]--- [ 60.332383] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.381239] Bluetooth: hci0: command 0x041b tx timeout executing program [ 64.427283] Bluetooth: hci0: command 0x040f tx timeout [ 66.475352] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:56:10 Registers: info registers vcpu 0 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801e6575f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 0000555556f64400 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=00007efd88d366f4 CR3=0000000015ee0000 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=0000000000040333 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007f8aa71e4780 CR3=000000000edca000 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=53d5bd3e218fd7a5c94e35070e66780b XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=1b188b0b5f53764c000000000013be00 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=70f0bb9c9b6237c600000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000