syzkaller login: [ 49.219246] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:43510' (ECDSA) to the list of known hosts. 2023/05/17 13:54:57 fuzzer started 2023/05/17 13:54:57 dialing manager at localhost:44319 2023/05/17 13:54:57 checking machine... 2023/05/17 13:54:57 checking revisions... [ 53.755768] kmemleak: Automatic memory scanning thread ended 2023/05/17 13:54:58 testing simple program... [ 53.825255] cgroup: Unknown subsys name 'net' [ 53.886456] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 66.356169] audit: type=1400 audit(1684331710.669:6): 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 [ 67.493866] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.495440] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.497768] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.501153] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.502919] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.505077] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 67.908297] ------------[ cut here ]------------ [ 67.909152] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 67.911143] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.912389] Modules linked in: [ 67.912913] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 67.917824] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.918920] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.919609] 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 [ 67.921940] RSP: 0018:ffff88801f21fc00 EFLAGS: 00010282 [ 67.922611] RAX: 0000000000000000 RBX: ffff88800dd6fc40 RCX: 0000000000000000 [ 67.923567] RDX: ffff888009bdd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 67.924517] RBP: ffff88800dd6fc54 R08: 0000000000000001 R09: 0000000000000000 [ 67.925470] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 67.926427] R13: ffffffff84e23fe0 R14: ffff88800dd6fc48 R15: ffffffff84d74dc0 [ 67.927404] FS: 0000555556f76400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 67.928464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.929252] CR2: 00007f02f512e6f4 CR3: 0000000015bc4000 CR4: 0000000000350ef0 [ 67.930205] Call Trace: [ 67.930558] [ 67.930905] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 67.931570] ipv4_frags_init_net+0x269/0x440 [ 67.932205] ops_init+0xbb/0x6b0 [ 67.932685] setup_net+0x3d9/0x990 [ 67.933209] ? down_read_killable+0x1d7/0x4e0 [ 67.933853] ? __pfx_setup_net+0x10/0x10 [ 67.934425] ? copy_net_ns+0x17c/0x770 [ 67.935007] copy_net_ns+0x321/0x770 [ 67.935539] create_new_namespaces+0x3f6/0xb30 [ 67.936208] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.936902] ksys_unshare+0x44d/0x8e0 [ 67.937438] ? __pfx_ksys_unshare+0x10/0x10 [ 67.938070] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.938888] __x64_sys_unshare+0x31/0x40 [ 67.939450] do_syscall_64+0x3f/0x90 [ 67.940008] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.940716] RIP: 0033:0x7f983769c0d7 [ 67.941254] 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 [ 67.943657] RSP: 002b:00007ffe91fa8068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 67.944712] RAX: ffffffffffffffda RBX: 00007ffe91fa86a8 RCX: 00007f983769c0d7 [ 67.945687] RDX: 00007f983770641f RSI: 00007ffe91fa8000 RDI: 0000000040000000 [ 67.946673] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe91fa7e10 [ 67.947629] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f98377aebf0 [ 67.948565] R13: 00007ffe91fa8140 R14: 0000000000000000 R15: 00000000000000f8 [ 67.949524] [ 67.949873] irq event stamp: 8479 [ 67.950340] hardirqs last enabled at (8489): [] __up_console_sem+0x78/0x80 [ 67.951473] hardirqs last disabled at (8500): [] __up_console_sem+0x5d/0x80 [ 67.952608] softirqs last enabled at (7954): [] irq_exit_rcu+0x93/0xc0 [ 67.953706] softirqs last disabled at (7949): [] irq_exit_rcu+0x93/0xc0 [ 67.954834] ---[ end trace 0000000000000000 ]--- [ 67.961030] ------------[ cut here ]------------ [ 67.961671] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 67.963605] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.964762] Modules linked in: [ 67.965239] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 67.966444] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.967452] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.968120] 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 [ 67.970276] RSP: 0018:ffff88801f21fc00 EFLAGS: 00010282 [ 67.970958] RAX: 0000000000000000 RBX: ffff88800e57ba40 RCX: 0000000000000000 [ 67.971838] RDX: ffff888009bdd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 67.972693] RBP: ffff88800e57ba54 R08: 0000000000000001 R09: 0000000000000000 [ 67.973569] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 67.974478] R13: ffffffff84e23fe0 R14: ffff88800e57ba48 R15: ffffffff84da7d60 [ 67.975474] FS: 0000555556f76400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 67.976429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.977150] CR2: 00007f02f512e6f4 CR3: 0000000015bc4000 CR4: 0000000000350ef0 [ 67.978009] Call Trace: [ 67.978332] [ 67.978620] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 67.979252] ipv6_frags_init_net+0x206/0x3c0 [ 67.979824] ops_init+0xbb/0x6b0 [ 67.980258] setup_net+0x3d9/0x990 [ 67.980696] ? down_read_killable+0x1d7/0x4e0 [ 67.981277] ? __pfx_setup_net+0x10/0x10 [ 67.981771] ? copy_net_ns+0x17c/0x770 [ 67.982320] copy_net_ns+0x321/0x770 [ 67.982787] create_new_namespaces+0x3f6/0xb30 [ 67.983382] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.984018] ksys_unshare+0x44d/0x8e0 [ 67.984490] ? __pfx_ksys_unshare+0x10/0x10 [ 67.985043] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.985731] __x64_sys_unshare+0x31/0x40 [ 67.986265] do_syscall_64+0x3f/0x90 [ 67.986726] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.987376] RIP: 0033:0x7f983769c0d7 [ 67.987851] 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 [ 67.989930] RSP: 002b:00007ffe91fa8068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 67.990858] RAX: ffffffffffffffda RBX: 00007ffe91fa86a8 RCX: 00007f983769c0d7 [ 67.991688] RDX: 00007f983770641f RSI: 00007ffe91fa8000 RDI: 0000000040000000 [ 67.992546] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe91fa7e10 [ 67.993399] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f98377aebf0 [ 67.994268] R13: 00007ffe91fa8140 R14: 0000000000000000 R15: 00000000000000f8 [ 67.995150] [ 67.995439] irq event stamp: 10571 [ 67.995888] hardirqs last enabled at (10583): [] __up_console_sem+0x78/0x80 [ 67.996913] hardirqs last disabled at (10594): [] __up_console_sem+0x5d/0x80 [ 67.997938] softirqs last enabled at (10390): [] irq_exit_rcu+0x93/0xc0 [ 67.998949] softirqs last disabled at (10381): [] irq_exit_rcu+0x93/0xc0 [ 67.999957] ---[ end trace 0000000000000000 ]--- [ 68.001240] ------------[ cut here ]------------ [ 68.001846] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 68.003673] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.004707] Modules linked in: [ 68.005126] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.006244] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.007242] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.007918] 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 [ 68.010036] RSP: 0018:ffff88801f21fbf0 EFLAGS: 00010286 [ 68.010715] RAX: 0000000000000000 RBX: ffff88800e57b440 RCX: 0000000000000000 [ 68.011590] RDX: ffff888009bdd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.012449] RBP: ffff88800e57b454 R08: 0000000000000001 R09: 0000000000000000 [ 68.013318] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.014197] R13: ffffffff84e23fe0 R14: ffff88800e57b448 R15: ffffffff84db0aa0 [ 68.015073] FS: 0000555556f76400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.016049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.016742] CR2: 00007f02f512e6f4 CR3: 0000000015bc4000 CR4: 0000000000350ef0 [ 68.017614] Call Trace: [ 68.017966] [ 68.018278] nf_ct_net_init+0x224/0x3d0 [ 68.018783] ? __pfx_nf_ct_net_init+0x10/0x10 [ 68.019382] ops_init+0xbb/0x6b0 [ 68.019847] setup_net+0x3d9/0x990 [ 68.020300] ? down_read_killable+0x1d7/0x4e0 [ 68.020887] ? __pfx_setup_net+0x10/0x10 [ 68.021387] ? copy_net_ns+0x17c/0x770 [ 68.021914] copy_net_ns+0x321/0x770 [ 68.022390] create_new_namespaces+0x3f6/0xb30 [ 68.022992] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.023592] ksys_unshare+0x44d/0x8e0 [ 68.024100] ? __pfx_ksys_unshare+0x10/0x10 [ 68.024633] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.025354] __x64_sys_unshare+0x31/0x40 [ 68.025901] do_syscall_64+0x3f/0x90 [ 68.026377] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.027037] RIP: 0033:0x7f983769c0d7 [ 68.027490] 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 [ 68.029601] RSP: 002b:00007ffe91fa8068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 68.030552] RAX: ffffffffffffffda RBX: 00007ffe91fa86a8 RCX: 00007f983769c0d7 [ 68.031422] RDX: 00007f983770641f RSI: 00007ffe91fa8000 RDI: 0000000040000000 [ 68.032311] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe91fa7e10 [ 68.033160] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f98377aebf0 [ 68.034023] R13: 00007ffe91fa8140 R14: 0000000000000000 R15: 00000000000000f8 [ 68.034929] [ 68.035230] irq event stamp: 11345 [ 68.035652] hardirqs last enabled at (11355): [] __up_console_sem+0x78/0x80 [ 68.036691] hardirqs last disabled at (11366): [] __up_console_sem+0x5d/0x80 [ 68.037727] softirqs last enabled at (11208): [] irq_exit_rcu+0x93/0xc0 [ 68.038755] softirqs last disabled at (11203): [] irq_exit_rcu+0x93/0xc0 [ 68.039758] ---[ end trace 0000000000000000 ]--- executing program [ 69.577419] Bluetooth: hci0: command 0x0409 tx timeout [ 71.624751] Bluetooth: hci0: command 0x041b tx timeout executing program [ 73.672121] Bluetooth: hci0: command 0x040f tx timeout executing program [ 75.722175] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:54:53 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f21f598 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 0000555556f76400 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=00007f02f512e6f4 CR3=0000000015bc4000 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=0000000000000000 RBX=00000000000396c0 RCX=ffffffff812de873 RDX=0000000000000000 RSI=0000000000000004 RDI=ffff88806cf396c0 RBP=ffff88806cf09dc8 RSP=ffff88806cf09d80 R8 =0000000000000000 R9 =ffffed100d9e72d8 R10=ffff88806cf396c3 R11=0000000000000001 R12=ffff88806cf396c0 R13=ffff888008d951c0 R14=0000000000000001 R15=ffff88806cf396d8 RIP=ffffffff815d7e74 RFL=00000082 [--S----] 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 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=00007f409972e990 CR3=000000000ed1a000 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=4ac1013397e93da773418091d6899bb4 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=2e2508fad96c79d1000000000013ac48 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=d64d6b7b20505ea100000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000002000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000