syzkaller login: [ 42.204351] sshd (223) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:48820' (ECDSA) to the list of known hosts. 2023/05/18 04:13:13 fuzzer started 2023/05/18 04:13:13 dialing manager at localhost:44319 2023/05/18 04:13:13 checking machine... 2023/05/18 04:13:13 checking revisions... [ 43.466948] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:13:14 testing simple program... [ 43.537509] cgroup: Unknown subsys name 'net' [ 43.626212] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.095182] audit: type=1400 audit(1684383206.736:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 57.187483] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.190112] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.191802] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.194495] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.196179] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.197381] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 57.598447] ------------[ cut here ]------------ [ 57.599100] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 57.600726] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.601839] Modules linked in: [ 57.602283] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 57.607594] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.608798] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.609601] 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 [ 57.611826] RSP: 0018:ffff88801fbefc00 EFLAGS: 00010282 [ 57.612514] RAX: 0000000000000000 RBX: ffff88800ee34c40 RCX: 0000000000000000 [ 57.613411] RDX: ffff88801ce03680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 57.614307] RBP: ffff88800ee34c54 R08: 0000000000000001 R09: 0000000000000000 [ 57.615205] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.616091] R13: ffffffff84e23fe0 R14: ffff88800ee34c48 R15: ffffffff84d74dc0 [ 57.616950] FS: 0000555557179400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.617969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.618708] CR2: 00007ff5ddb406f4 CR3: 0000000015cf4000 CR4: 0000000000350ef0 [ 57.619599] Call Trace: [ 57.619925] [ 57.620254] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 57.620870] ipv4_frags_init_net+0x269/0x440 [ 57.621459] ops_init+0xbb/0x6b0 [ 57.621917] setup_net+0x3d9/0x990 [ 57.622406] ? down_read_killable+0x1d7/0x4e0 [ 57.622973] ? __pfx_setup_net+0x10/0x10 [ 57.623507] ? copy_net_ns+0x17c/0x770 [ 57.624016] copy_net_ns+0x321/0x770 [ 57.624533] create_new_namespaces+0x3f6/0xb30 [ 57.625146] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.625785] ksys_unshare+0x44d/0x8e0 [ 57.626307] ? __pfx_ksys_unshare+0x10/0x10 [ 57.626854] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.627595] __x64_sys_unshare+0x31/0x40 [ 57.628141] do_syscall_64+0x3f/0x90 [ 57.628618] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.629293] RIP: 0033:0x7febdcc670d7 [ 57.629762] 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 [ 57.631926] RSP: 002b:00007ffe4dd97a88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.632877] RAX: ffffffffffffffda RBX: 00007ffe4dd980c8 RCX: 00007febdcc670d7 [ 57.633788] RDX: 00007febdccd141f RSI: 00007ffe4dd97a20 RDI: 0000000040000000 [ 57.634663] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe4dd97830 [ 57.635538] R10: 0000000000000000 R11: 0000000000000206 R12: 00007febdcd79bf0 [ 57.636420] R13: 00007ffe4dd97b60 R14: 0000000000000000 R15: 00000000000000f8 [ 57.637318] [ 57.637624] irq event stamp: 8565 [ 57.638075] hardirqs last enabled at (8577): [] __up_console_sem+0x78/0x80 [ 57.639117] hardirqs last disabled at (8588): [] __up_console_sem+0x5d/0x80 [ 57.640163] softirqs last enabled at (8138): [] irq_exit_rcu+0x93/0xc0 [ 57.641184] softirqs last disabled at (8123): [] irq_exit_rcu+0x93/0xc0 [ 57.642210] ---[ end trace 0000000000000000 ]--- [ 57.647497] ------------[ cut here ]------------ [ 57.648115] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 57.649816] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.650902] Modules linked in: [ 57.651345] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 57.652518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.653561] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.654232] 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 [ 57.656443] RSP: 0018:ffff88801fbefc00 EFLAGS: 00010282 [ 57.657136] RAX: 0000000000000000 RBX: ffff88800d737040 RCX: 0000000000000000 [ 57.658072] RDX: ffff88801ce03680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 57.658929] RBP: ffff88800d737054 R08: 0000000000000001 R09: 0000000000000000 [ 57.659831] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.660730] R13: ffffffff84e23fe0 R14: ffff88800d737048 R15: ffffffff84da7d60 [ 57.661633] FS: 0000555557179400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.662631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.663382] CR2: 00007ff5ddb406f4 CR3: 0000000015cf4000 CR4: 0000000000350ef0 [ 57.664279] Call Trace: [ 57.664608] [ 57.664906] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 57.665588] ipv6_frags_init_net+0x206/0x3c0 [ 57.666187] ops_init+0xbb/0x6b0 [ 57.666640] setup_net+0x3d9/0x990 [ 57.667127] ? down_read_killable+0x1d7/0x4e0 [ 57.667700] ? __pfx_setup_net+0x10/0x10 [ 57.668248] ? copy_net_ns+0x17c/0x770 [ 57.668761] copy_net_ns+0x321/0x770 [ 57.669280] create_new_namespaces+0x3f6/0xb30 [ 57.669882] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.670529] ksys_unshare+0x44d/0x8e0 [ 57.671022] ? __pfx_ksys_unshare+0x10/0x10 [ 57.671604] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.672344] __x64_sys_unshare+0x31/0x40 [ 57.672868] do_syscall_64+0x3f/0x90 [ 57.673379] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.674082] RIP: 0033:0x7febdcc670d7 [ 57.674550] 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 [ 57.676728] RSP: 002b:00007ffe4dd97a88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.677741] RAX: ffffffffffffffda RBX: 00007ffe4dd980c8 RCX: 00007febdcc670d7 [ 57.678646] RDX: 00007febdccd141f RSI: 00007ffe4dd97a20 RDI: 0000000040000000 [ 57.679540] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe4dd97830 [ 57.680436] R10: 0000000000000000 R11: 0000000000000206 R12: 00007febdcd79bf0 [ 57.681333] R13: 00007ffe4dd97b60 R14: 0000000000000000 R15: 00000000000000f8 [ 57.682268] [ 57.682570] irq event stamp: 10389 [ 57.683002] hardirqs last enabled at (10399): [] __up_console_sem+0x78/0x80 [ 57.684095] hardirqs last disabled at (10412): [] __up_console_sem+0x5d/0x80 [ 57.685170] softirqs last enabled at (10314): [] irq_exit_rcu+0x93/0xc0 [ 57.686230] softirqs last disabled at (10309): [] irq_exit_rcu+0x93/0xc0 [ 57.687272] ---[ end trace 0000000000000000 ]--- [ 57.688612] ------------[ cut here ]------------ [ 57.689225] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 57.691139] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.692204] Modules linked in: [ 57.692619] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 57.693824] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.694865] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.695552] 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 [ 57.697752] RSP: 0018:ffff88801fbefbf0 EFLAGS: 00010286 [ 57.698444] RAX: 0000000000000000 RBX: ffff88800d736640 RCX: 0000000000000000 [ 57.699331] RDX: ffff88801ce03680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 57.700229] RBP: ffff88800d736654 R08: 0000000000000001 R09: 0000000000000000 [ 57.701121] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.702010] R13: ffffffff84e23fe0 R14: ffff88800d736648 R15: ffffffff84db0aa0 [ 57.702908] FS: 0000555557179400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.703918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.704673] CR2: 00007ff5ddb406f4 CR3: 0000000015cf4000 CR4: 0000000000350ef0 [ 57.705587] Call Trace: [ 57.705912] [ 57.706244] nf_ct_net_init+0x224/0x3d0 [ 57.706757] ? __pfx_nf_ct_net_init+0x10/0x10 [ 57.707369] ops_init+0xbb/0x6b0 [ 57.707819] setup_net+0x3d9/0x990 [ 57.708311] ? down_read_killable+0x1d7/0x4e0 [ 57.708887] ? __pfx_setup_net+0x10/0x10 [ 57.709431] ? copy_net_ns+0x17c/0x770 [ 57.709961] copy_net_ns+0x321/0x770 [ 57.710475] create_new_namespaces+0x3f6/0xb30 [ 57.711092] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.711712] ksys_unshare+0x44d/0x8e0 [ 57.712232] ? __pfx_ksys_unshare+0x10/0x10 [ 57.712785] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.713540] __x64_sys_unshare+0x31/0x40 [ 57.714093] do_syscall_64+0x3f/0x90 [ 57.714578] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.715260] RIP: 0033:0x7febdcc670d7 [ 57.715723] 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 [ 57.717928] RSP: 002b:00007ffe4dd97a88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.718881] RAX: ffffffffffffffda RBX: 00007ffe4dd980c8 RCX: 00007febdcc670d7 [ 57.719780] RDX: 00007febdccd141f RSI: 00007ffe4dd97a20 RDI: 0000000040000000 [ 57.720674] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe4dd97830 [ 57.721583] R10: 0000000000000000 R11: 0000000000000206 R12: 00007febdcd79bf0 [ 57.722461] R13: 00007ffe4dd97b60 R14: 0000000000000000 R15: 00000000000000f8 [ 57.723368] [ 57.723670] irq event stamp: 11199 [ 57.724138] hardirqs last enabled at (11211): [] __up_console_sem+0x78/0x80 [ 57.725216] hardirqs last disabled at (11222): [] __up_console_sem+0x5d/0x80 [ 57.726301] softirqs last enabled at (11136): [] irq_exit_rcu+0x93/0xc0 [ 57.727348] softirqs last disabled at (11131): [] irq_exit_rcu+0x93/0xc0 [ 57.728389] ---[ end trace 0000000000000000 ]--- executing program [ 59.213841] Bluetooth: hci0: command 0x0409 tx timeout [ 61.262349] Bluetooth: hci0: command 0x041b tx timeout executing program [ 63.310120] Bluetooth: hci0: command 0x040f tx timeout executing program [ 65.357147] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:13:25 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801fbef5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555557179400 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=00007ff5ddb406f4 CR3=0000000015cf4000 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=000000000001ffb7 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=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=00007fb02d6fce10 CR3=0000000016bb4000 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=2038323a33313a34302038312079614d XMM01=5d3338323230362e37352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000