syzkaller login: [ 34.402792] systemd-udevd (110) used greatest stack depth: 23936 bytes left Warning: Permanently added '[localhost]:33380' (ECDSA) to the list of known hosts. 2023/05/16 22:12:30 fuzzer started 2023/05/16 22:12:30 dialing manager at localhost:35573 2023/05/16 22:12:30 checking machine... 2023/05/16 22:12:30 checking revisions... [ 35.359275] kmemleak: Automatic memory scanning thread ended 2023/05/16 22:12:30 testing simple program... [ 35.430244] cgroup: Unknown subsys name 'net' [ 35.507641] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.214565] audit: type=1400 audit(1684275164.706:6): avc: denied { execmem } for pid=259 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 [ 50.333198] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.336292] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.339012] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.347120] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.348596] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.350280] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.726509] ------------[ cut here ]------------ [ 50.727243] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.729860] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.731103] Modules linked in: [ 50.731630] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.735748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.736749] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.737382] 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 [ 50.739535] RSP: 0018:ffff888019cbfc00 EFLAGS: 00010282 [ 50.740178] RAX: 0000000000000000 RBX: ffff8880160c1040 RCX: 0000000000000000 [ 50.741055] RDX: ffff888016128000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.741921] RBP: ffff8880160c1054 R08: 0000000000000001 R09: 0000000000000000 [ 50.742832] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.743725] R13: ffffffff84e223a0 R14: ffff8880160c1048 R15: ffffffff84d73340 [ 50.744618] FS: 0000555555cf1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.745601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.746314] CR2: 00007f540bb4c59e CR3: 0000000019204000 CR4: 0000000000350ef0 [ 50.747183] Call Trace: [ 50.747528] [ 50.747819] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.748451] ipv4_frags_init_net+0x269/0x440 [ 50.748993] ops_init+0xbb/0x6b0 [ 50.749460] setup_net+0x3d9/0x990 [ 50.749904] ? down_read_killable+0x1d7/0x4e0 [ 50.750514] ? __pfx_setup_net+0x10/0x10 [ 50.751009] ? copy_net_ns+0x17c/0x770 [ 50.751527] copy_net_ns+0x321/0x770 [ 50.752002] create_new_namespaces+0x3f6/0xb30 [ 50.752616] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.753220] ksys_unshare+0x44d/0x8e0 [ 50.753728] ? __pfx_ksys_unshare+0x10/0x10 [ 50.754268] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.755004] __x64_sys_unshare+0x31/0x40 [ 50.755535] do_syscall_64+0x3f/0x90 [ 50.756004] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.756656] RIP: 0033:0x7f9709f0a0d7 [ 50.757116] 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 [ 50.759259] RSP: 002b:00007fffe879e308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.760180] RAX: ffffffffffffffda RBX: 00007fffe879e948 RCX: 00007f9709f0a0d7 [ 50.761056] RDX: 00007f9709f7441f RSI: 00007fffe879e2a0 RDI: 0000000040000000 [ 50.761931] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffe879e0b0 [ 50.762806] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f970a01cbf0 [ 50.763673] R13: 00007fffe879e3e0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.764558] [ 50.764855] irq event stamp: 8431 [ 50.765266] hardirqs last enabled at (8441): [] __up_console_sem+0x78/0x80 [ 50.766313] hardirqs last disabled at (8452): [] __up_console_sem+0x5d/0x80 [ 50.767340] softirqs last enabled at (8368): [] irq_exit_rcu+0x93/0xc0 [ 50.768339] softirqs last disabled at (8363): [] irq_exit_rcu+0x93/0xc0 [ 50.769348] ---[ end trace 0000000000000000 ]--- [ 50.774487] ------------[ cut here ]------------ [ 50.775085] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.776832] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.777884] Modules linked in: [ 50.778297] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.779452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.780452] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.781084] 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 [ 50.783240] RSP: 0018:ffff888019cbfc00 EFLAGS: 00010282 [ 50.783908] RAX: 0000000000000000 RBX: ffff888015a67e40 RCX: 0000000000000000 [ 50.784782] RDX: ffff888016128000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.785645] RBP: ffff888015a67e54 R08: 0000000000000001 R09: 0000000000000000 [ 50.786533] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.787416] R13: ffffffff84e223a0 R14: ffff888015a67e48 R15: ffffffff84da62e0 [ 50.788304] FS: 0000555555cf1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.789299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.790024] CR2: 00007f540bb4c59e CR3: 0000000019204000 CR4: 0000000000350ef0 [ 50.790937] Call Trace: [ 50.791264] [ 50.791587] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.792184] ipv6_frags_init_net+0x206/0x3c0 [ 50.792751] ops_init+0xbb/0x6b0 [ 50.793187] setup_net+0x3d9/0x990 [ 50.793662] ? down_read_killable+0x1d7/0x4e0 [ 50.794228] ? __pfx_setup_net+0x10/0x10 [ 50.794750] ? copy_net_ns+0x17c/0x770 [ 50.795249] copy_net_ns+0x321/0x770 [ 50.795746] create_new_namespaces+0x3f6/0xb30 [ 50.796318] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.796947] ksys_unshare+0x44d/0x8e0 [ 50.797452] ? __pfx_ksys_unshare+0x10/0x10 [ 50.797985] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.798732] __x64_sys_unshare+0x31/0x40 [ 50.799243] do_syscall_64+0x3f/0x90 [ 50.799738] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.800368] RIP: 0033:0x7f9709f0a0d7 [ 50.800849] 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 [ 50.802991] RSP: 002b:00007fffe879e308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.803928] RAX: ffffffffffffffda RBX: 00007fffe879e948 RCX: 00007f9709f0a0d7 [ 50.804797] RDX: 00007f9709f7441f RSI: 00007fffe879e2a0 RDI: 0000000040000000 [ 50.805664] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffe879e0b0 [ 50.806553] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f970a01cbf0 [ 50.807395] R13: 00007fffe879e3e0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.808283] [ 50.808611] irq event stamp: 10091 [ 50.809033] hardirqs last enabled at (10101): [] __up_console_sem+0x78/0x80 [ 50.810096] hardirqs last disabled at (10112): [] __up_console_sem+0x5d/0x80 [ 50.811159] softirqs last enabled at (9586): [] irq_exit_rcu+0x93/0xc0 [ 50.812179] softirqs last disabled at (9567): [] irq_exit_rcu+0x93/0xc0 [ 50.813184] ---[ end trace 0000000000000000 ]--- [ 50.814553] ------------[ cut here ]------------ [ 50.815129] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.817200] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.818252] Modules linked in: [ 50.818681] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.819810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.820803] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.821480] 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 [ 50.823623] RSP: 0018:ffff888019cbfbf0 EFLAGS: 00010286 [ 50.824265] RAX: 0000000000000000 RBX: ffff88800d723a40 RCX: 0000000000000000 [ 50.825134] RDX: ffff888016128000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.826002] RBP: ffff88800d723a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.826894] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.827770] R13: ffffffff84e223a0 R14: ffff88800d723a48 R15: ffffffff84daf020 [ 50.828660] FS: 0000555555cf1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.829638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.830340] CR2: 00007f540bb4c59e CR3: 0000000019204000 CR4: 0000000000350ef0 [ 50.831212] Call Trace: [ 50.831567] [ 50.831864] nf_ct_net_init+0x224/0x3d0 [ 50.832367] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.832955] ops_init+0xbb/0x6b0 [ 50.833391] setup_net+0x3d9/0x990 [ 50.833867] ? down_read_killable+0x1d7/0x4e0 [ 50.834458] ? __pfx_setup_net+0x10/0x10 [ 50.834958] ? copy_net_ns+0x17c/0x770 [ 50.835482] copy_net_ns+0x321/0x770 [ 50.835952] create_new_namespaces+0x3f6/0xb30 [ 50.836552] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.837164] ksys_unshare+0x44d/0x8e0 [ 50.837673] ? __pfx_ksys_unshare+0x10/0x10 [ 50.838236] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.838963] __x64_sys_unshare+0x31/0x40 [ 50.839507] do_syscall_64+0x3f/0x90 [ 50.839979] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.840634] RIP: 0033:0x7f9709f0a0d7 [ 50.841092] 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 [ 50.843232] RSP: 002b:00007fffe879e308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.844165] RAX: ffffffffffffffda RBX: 00007fffe879e948 RCX: 00007f9709f0a0d7 [ 50.845043] RDX: 00007f9709f7441f RSI: 00007fffe879e2a0 RDI: 0000000040000000 [ 50.845917] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffe879e0b0 [ 50.846823] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f970a01cbf0 [ 50.847711] R13: 00007fffe879e3e0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.848620] [ 50.848921] irq event stamp: 10949 [ 50.849352] hardirqs last enabled at (10959): [] __up_console_sem+0x78/0x80 [ 50.850414] hardirqs last disabled at (10970): [] __up_console_sem+0x5d/0x80 [ 50.851498] softirqs last enabled at (10910): [] irq_exit_rcu+0x93/0xc0 [ 50.852531] softirqs last disabled at (10901): [] irq_exit_rcu+0x93/0xc0 [ 50.853559] ---[ end trace 0000000000000000 ]--- [ 52.415127] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.462503] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.510511] Bluetooth: hci0: command 0x040f tx timeout [ 58.558514] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:12:45 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019cbf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555cf1400 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=00007f540bb4c59e CR3=0000000019204000 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=0000000000026f73 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=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=00007f06407dd770 CR3=000000000e666000 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=4a7c8aa8e2a7a79f02463736af0291ba XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=01d19ce8c69acfd7000000000013c438 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=856bd6e7490c454d00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000