syzkaller login: [ 34.509466] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:64036' (ECDSA) to the list of known hosts. 2023/05/18 01:21:50 fuzzer started 2023/05/18 01:21:50 dialing manager at localhost:44319 2023/05/18 01:21:50 checking machine... 2023/05/18 01:21:50 checking revisions... [ 35.733416] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:21:51 testing simple program... [ 35.805165] cgroup: Unknown subsys name 'net' [ 35.889834] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.448956] audit: type=1400 audit(1684372923.729:6): 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 [ 49.599030] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.600608] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.603772] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.608352] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.610957] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.612213] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.025288] ------------[ cut here ]------------ [ 50.026046] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.027999] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.029287] Modules linked in: [ 50.029813] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.034778] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.035806] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.036452] 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 [ 50.038580] RSP: 0018:ffff88801f8ffc00 EFLAGS: 00010282 [ 50.039258] RAX: 0000000000000000 RBX: ffff88800ecb7040 RCX: 0000000000000000 [ 50.040133] RDX: ffff888016e11b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.041007] RBP: ffff88800ecb7054 R08: 0000000000000001 R09: 0000000000000000 [ 50.041906] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.042774] R13: ffffffff84e23fe0 R14: ffff88800ecb7048 R15: ffffffff84d74dc0 [ 50.043673] FS: 0000555555c04400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.044672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.045368] CR2: 00007fa2e0266000 CR3: 0000000020146000 CR4: 0000000000350ef0 [ 50.046248] Call Trace: [ 50.046598] [ 50.046907] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.047513] ipv4_frags_init_net+0x269/0x440 [ 50.048098] ops_init+0xbb/0x6b0 [ 50.048547] setup_net+0x3d9/0x990 [ 50.049040] ? down_read_killable+0x1d7/0x4e0 [ 50.049638] ? __pfx_setup_net+0x10/0x10 [ 50.050142] ? copy_net_ns+0x17c/0x770 [ 50.050666] copy_net_ns+0x321/0x770 [ 50.051175] create_new_namespaces+0x3f6/0xb30 [ 50.051785] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.052399] ksys_unshare+0x44d/0x8e0 [ 50.052916] ? __pfx_ksys_unshare+0x10/0x10 [ 50.053454] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.054184] __x64_sys_unshare+0x31/0x40 [ 50.054724] do_syscall_64+0x3f/0x90 [ 50.055212] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.055866] RIP: 0033:0x7f7649ec10d7 [ 50.056323] 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 [ 50.058451] RSP: 002b:00007ffec4a62468 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.059392] RAX: ffffffffffffffda RBX: 00007ffec4a62aa8 RCX: 00007f7649ec10d7 [ 50.060259] RDX: 00007f7649f2b41f RSI: 00007ffec4a62400 RDI: 0000000040000000 [ 50.061124] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffec4a62210 [ 50.062009] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7649fd3bf0 [ 50.062897] R13: 00007ffec4a62540 R14: 0000000000000000 R15: 00000000000000f8 [ 50.063805] [ 50.064106] irq event stamp: 8657 [ 50.064528] hardirqs last enabled at (8667): [] __up_console_sem+0x78/0x80 [ 50.065605] hardirqs last disabled at (8680): [] __up_console_sem+0x5d/0x80 [ 50.066651] softirqs last enabled at (8520): [] irq_exit_rcu+0x93/0xc0 [ 50.067688] softirqs last disabled at (8515): [] irq_exit_rcu+0x93/0xc0 [ 50.068707] ---[ end trace 0000000000000000 ]--- [ 50.074002] ------------[ cut here ]------------ [ 50.074611] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.076230] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.077286] Modules linked in: [ 50.077723] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.078876] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.079878] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.080520] 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 [ 50.082685] RSP: 0018:ffff88801f8ffc00 EFLAGS: 00010282 [ 50.083369] RAX: 0000000000000000 RBX: ffff88800e8ac240 RCX: 0000000000000000 [ 50.084296] RDX: ffff888016e11b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.085190] RBP: ffff88800e8ac254 R08: 0000000000000001 R09: 0000000000000000 [ 50.086070] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.086956] R13: ffffffff84e23fe0 R14: ffff88800e8ac248 R15: ffffffff84da7d60 [ 50.087850] FS: 0000555555c04400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.088852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.089583] CR2: 00007fa2e0266000 CR3: 0000000020146000 CR4: 0000000000350ef0 [ 50.090433] Call Trace: [ 50.090800] [ 50.091124] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.091760] ipv6_frags_init_net+0x206/0x3c0 [ 50.092322] ops_init+0xbb/0x6b0 [ 50.092806] setup_net+0x3d9/0x990 [ 50.093265] ? down_read_killable+0x1d7/0x4e0 [ 50.093864] ? __pfx_setup_net+0x10/0x10 [ 50.094372] ? copy_net_ns+0x17c/0x770 [ 50.094909] copy_net_ns+0x321/0x770 [ 50.095388] create_new_namespaces+0x3f6/0xb30 [ 50.096010] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.096639] ksys_unshare+0x44d/0x8e0 [ 50.097120] ? __pfx_ksys_unshare+0x10/0x10 [ 50.097691] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.098397] __x64_sys_unshare+0x31/0x40 [ 50.098950] do_syscall_64+0x3f/0x90 [ 50.099424] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.100098] RIP: 0033:0x7f7649ec10d7 [ 50.100593] 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 [ 50.102727] RSP: 002b:00007ffec4a62468 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.103671] RAX: ffffffffffffffda RBX: 00007ffec4a62aa8 RCX: 00007f7649ec10d7 [ 50.104528] RDX: 00007f7649f2b41f RSI: 00007ffec4a62400 RDI: 0000000040000000 [ 50.105395] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffec4a62210 [ 50.106264] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7649fd3bf0 [ 50.107160] R13: 00007ffec4a62540 R14: 0000000000000000 R15: 00000000000000f8 [ 50.108059] [ 50.108357] irq event stamp: 10331 [ 50.108810] hardirqs last enabled at (10343): [] __up_console_sem+0x78/0x80 [ 50.109862] hardirqs last disabled at (10354): [] __up_console_sem+0x5d/0x80 [ 50.110918] softirqs last enabled at (9934): [] irq_exit_rcu+0x93/0xc0 [ 50.111926] softirqs last disabled at (9929): [] irq_exit_rcu+0x93/0xc0 [ 50.112951] ---[ end trace 0000000000000000 ]--- [ 50.114300] ------------[ cut here ]------------ [ 50.114983] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.117045] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.118100] Modules linked in: [ 50.118504] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.119663] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.120672] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.121314] 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 [ 50.123464] RSP: 0018:ffff88801f8ffbf0 EFLAGS: 00010286 [ 50.124130] RAX: 0000000000000000 RBX: ffff88800e8aca40 RCX: 0000000000000000 [ 50.125007] RDX: ffff888016e11b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.125890] RBP: ffff88800e8aca54 R08: 0000000000000001 R09: 0000000000000000 [ 50.126760] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.127654] R13: ffffffff84e23fe0 R14: ffff88800e8aca48 R15: ffffffff84db0aa0 [ 50.128509] FS: 0000555555c04400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.129487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.130217] CR2: 00007fa2e0266000 CR3: 0000000020146000 CR4: 0000000000350ef0 [ 50.131097] Call Trace: [ 50.131418] [ 50.131753] nf_ct_net_init+0x224/0x3d0 [ 50.132264] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.132859] ops_init+0xbb/0x6b0 [ 50.133309] setup_net+0x3d9/0x990 [ 50.133789] ? down_read_killable+0x1d7/0x4e0 [ 50.134353] ? __pfx_setup_net+0x10/0x10 [ 50.134895] ? copy_net_ns+0x17c/0x770 [ 50.135405] copy_net_ns+0x321/0x770 [ 50.135909] create_new_namespaces+0x3f6/0xb30 [ 50.136486] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.137114] ksys_unshare+0x44d/0x8e0 [ 50.137627] ? __pfx_ksys_unshare+0x10/0x10 [ 50.138165] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.138919] __x64_sys_unshare+0x31/0x40 [ 50.139429] do_syscall_64+0x3f/0x90 [ 50.139935] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.140602] RIP: 0033:0x7f7649ec10d7 [ 50.141066] 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 [ 50.143226] RSP: 002b:00007ffec4a62468 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.144157] RAX: ffffffffffffffda RBX: 00007ffec4a62aa8 RCX: 00007f7649ec10d7 [ 50.145039] RDX: 00007f7649f2b41f RSI: 00007ffec4a62400 RDI: 0000000040000000 [ 50.145902] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffec4a62210 [ 50.146770] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7649fd3bf0 [ 50.147657] R13: 00007ffec4a62540 R14: 0000000000000000 R15: 00000000000000f8 [ 50.148529] [ 50.148853] irq event stamp: 11115 [ 50.149277] hardirqs last enabled at (11125): [] __up_console_sem+0x78/0x80 [ 50.150319] hardirqs last disabled at (11136): [] __up_console_sem+0x5d/0x80 [ 50.151378] softirqs last enabled at (10822): [] irq_exit_rcu+0x93/0xc0 [ 50.152403] softirqs last disabled at (10813): [] irq_exit_rcu+0x93/0xc0 [ 50.153424] ---[ end trace 0000000000000000 ]--- executing program [ 51.684208] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 53.731647] Bluetooth: hci0: command 0x041b tx timeout [ 55.779598] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.827621] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:22:05 Registers: info registers vcpu 0 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f8ff5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 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 0000555555c04400 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=00007fa2e0266000 CR3=0000000020146000 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=000000000002c4df 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=00007fa2e01a9e10 CR3=000000000ea9c000 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=9d4dc9406ce640a96d4abf894ab85499 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=a4e116415ebff649000000000013b760 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=2c9cb832bdf809f900000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000