Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:46497' (ECDSA) to the list of known hosts. 2023/05/17 16:14:24 fuzzer started 2023/05/17 16:14:24 dialing manager at localhost:44319 2023/05/17 16:14:24 checking machine... 2023/05/17 16:14:24 checking revisions... syzkaller login: [ 38.433107] kmemleak: Automatic memory scanning thread ended 2023/05/17 16:14:25 testing simple program... [ 38.501686] cgroup: Unknown subsys name 'net' [ 38.581786] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.375206] audit: type=1400 audit(1684340078.043:6): 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 [ 52.485442] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.487894] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.489462] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.492333] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.493889] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.495847] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.888957] ------------[ cut here ]------------ [ 52.889601] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.891176] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.892255] Modules linked in: [ 52.892646] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.897328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.898386] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.899089] 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 [ 52.901330] RSP: 0018:ffff88801ff0fc00 EFLAGS: 00010282 [ 52.902089] RAX: 0000000000000000 RBX: ffff88800c5c6440 RCX: 0000000000000000 [ 52.903030] RDX: ffff8880189651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.903949] RBP: ffff88800c5c6454 R08: 0000000000000001 R09: 0000000000000000 [ 52.904817] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.905733] R13: ffffffff84e23fe0 R14: ffff88800c5c6448 R15: ffffffff84d74dc0 [ 52.906641] FS: 0000555556f88400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.907660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.908408] CR2: 000055f29181a080 CR3: 0000000015ae8000 CR4: 0000000000350ef0 [ 52.909308] Call Trace: [ 52.909661] [ 52.909991] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.910611] ipv4_frags_init_net+0x269/0x440 [ 52.911224] ops_init+0xbb/0x6b0 [ 52.911684] setup_net+0x3d9/0x990 [ 52.912192] ? down_read_killable+0x1d7/0x4e0 [ 52.912767] ? __pfx_setup_net+0x10/0x10 [ 52.913321] ? copy_net_ns+0x17c/0x770 [ 52.913843] copy_net_ns+0x321/0x770 [ 52.914355] create_new_namespaces+0x3f6/0xb30 [ 52.914993] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.915622] ksys_unshare+0x44d/0x8e0 [ 52.916123] ? __pfx_ksys_unshare+0x10/0x10 [ 52.916641] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.917349] __x64_sys_unshare+0x31/0x40 [ 52.917859] do_syscall_64+0x3f/0x90 [ 52.918362] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.919037] RIP: 0033:0x7f46471d10d7 [ 52.919502] 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 [ 52.921653] RSP: 002b:00007fff50b38418 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.922600] RAX: ffffffffffffffda RBX: 00007fff50b38a58 RCX: 00007f46471d10d7 [ 52.923484] RDX: 00007f464723b41f RSI: 00007fff50b383b0 RDI: 0000000040000000 [ 52.924368] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff50b381c0 [ 52.925261] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f46472e3bf0 [ 52.926168] R13: 00007fff50b384f0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.927078] [ 52.927379] irq event stamp: 7155 [ 52.927803] hardirqs last enabled at (7165): [] __up_console_sem+0x78/0x80 [ 52.928869] hardirqs last disabled at (7176): [] __up_console_sem+0x5d/0x80 [ 52.929937] softirqs last enabled at (6906): [] irq_exit_rcu+0x93/0xc0 [ 52.930970] softirqs last disabled at (6901): [] irq_exit_rcu+0x93/0xc0 [ 52.932006] ---[ end trace 0000000000000000 ]--- [ 52.938025] ------------[ cut here ]------------ [ 52.938620] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.940368] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.941507] Modules linked in: [ 52.941978] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.943124] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.944154] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.944787] 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 [ 52.946976] RSP: 0018:ffff88801ff0fc00 EFLAGS: 00010282 [ 52.947620] RAX: 0000000000000000 RBX: ffff888013a34840 RCX: 0000000000000000 [ 52.948514] RDX: ffff8880189651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.949453] RBP: ffff888013a34854 R08: 0000000000000001 R09: 0000000000000000 [ 52.950355] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.951237] R13: ffffffff84e23fe0 R14: ffff888013a34848 R15: ffffffff84da7d60 [ 52.952124] FS: 0000555556f88400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.953120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.953830] CR2: 000055f29181a080 CR3: 0000000015ae8000 CR4: 0000000000350ef0 [ 52.954721] Call Trace: [ 52.955078] [ 52.955373] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.956047] ipv6_frags_init_net+0x206/0x3c0 [ 52.956635] ops_init+0xbb/0x6b0 [ 52.957123] setup_net+0x3d9/0x990 [ 52.957606] ? down_read_killable+0x1d7/0x4e0 [ 52.958243] ? __pfx_setup_net+0x10/0x10 [ 52.958781] ? copy_net_ns+0x17c/0x770 [ 52.959352] copy_net_ns+0x321/0x770 [ 52.959846] create_new_namespaces+0x3f6/0xb30 [ 52.960462] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.961132] ksys_unshare+0x44d/0x8e0 [ 52.961642] ? __pfx_ksys_unshare+0x10/0x10 [ 52.962231] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.962972] __x64_sys_unshare+0x31/0x40 [ 52.963492] do_syscall_64+0x3f/0x90 [ 52.964013] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.964655] RIP: 0033:0x7f46471d10d7 [ 52.965161] 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 [ 52.967419] RSP: 002b:00007fff50b38418 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.968391] RAX: ffffffffffffffda RBX: 00007fff50b38a58 RCX: 00007f46471d10d7 [ 52.969277] RDX: 00007f464723b41f RSI: 00007fff50b383b0 RDI: 0000000040000000 [ 52.970179] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff50b381c0 [ 52.971078] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f46472e3bf0 [ 52.971975] R13: 00007fff50b384f0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.972853] [ 52.973184] irq event stamp: 9269 [ 52.973626] hardirqs last enabled at (9279): [] __up_console_sem+0x78/0x80 [ 52.974686] hardirqs last disabled at (9290): [] __up_console_sem+0x5d/0x80 [ 52.975763] softirqs last enabled at (9304): [] irq_exit_rcu+0x93/0xc0 [ 52.976819] softirqs last disabled at (9299): [] irq_exit_rcu+0x93/0xc0 [ 52.977853] ---[ end trace 0000000000000000 ]--- [ 52.979290] ------------[ cut here ]------------ [ 52.979963] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.981954] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.983021] Modules linked in: [ 52.983435] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.984592] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.985640] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.986343] 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 [ 52.988567] RSP: 0018:ffff88801ff0fbf0 EFLAGS: 00010286 [ 52.989277] RAX: 0000000000000000 RBX: ffff888013a34e40 RCX: 0000000000000000 [ 52.990179] RDX: ffff8880189651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.991076] RBP: ffff888013a34e54 R08: 0000000000000001 R09: 0000000000000000 [ 52.991965] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.992828] R13: ffffffff84e23fe0 R14: ffff888013a34e48 R15: ffffffff84db0aa0 [ 52.993783] FS: 0000555556f88400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.994729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.995441] CR2: 000055f29181a080 CR3: 0000000015ae8000 CR4: 0000000000350ef0 [ 52.996286] Call Trace: [ 52.996595] [ 52.996881] nf_ct_net_init+0x224/0x3d0 [ 52.997412] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.998035] ops_init+0xbb/0x6b0 [ 52.998495] setup_net+0x3d9/0x990 [ 52.998993] ? down_read_killable+0x1d7/0x4e0 [ 52.999574] ? __pfx_setup_net+0x10/0x10 [ 53.000131] ? copy_net_ns+0x17c/0x770 [ 53.000650] copy_net_ns+0x321/0x770 [ 53.001171] create_new_namespaces+0x3f6/0xb30 [ 53.001797] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.002463] ksys_unshare+0x44d/0x8e0 [ 53.002985] ? __pfx_ksys_unshare+0x10/0x10 [ 53.003533] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.004302] __x64_sys_unshare+0x31/0x40 [ 53.004832] do_syscall_64+0x3f/0x90 [ 53.005337] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.006039] RIP: 0033:0x7f46471d10d7 [ 53.006509] 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 [ 53.008708] RSP: 002b:00007fff50b38418 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.009670] RAX: ffffffffffffffda RBX: 00007fff50b38a58 RCX: 00007f46471d10d7 [ 53.010569] RDX: 00007f464723b41f RSI: 00007fff50b383b0 RDI: 0000000040000000 [ 53.011456] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff50b381c0 [ 53.012352] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f46472e3bf0 [ 53.013234] R13: 00007fff50b384f0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.014176] [ 53.014482] irq event stamp: 10091 [ 53.014947] hardirqs last enabled at (10103): [] __up_console_sem+0x78/0x80 [ 53.016012] hardirqs last disabled at (10114): [] __up_console_sem+0x5d/0x80 [ 53.017085] softirqs last enabled at (9682): [] irq_exit_rcu+0x93/0xc0 [ 53.018135] softirqs last disabled at (9673): [] irq_exit_rcu+0x93/0xc0 [ 53.019174] ---[ end trace 0000000000000000 ]--- executing program [ 54.509647] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.557594] Bluetooth: hci0: command 0x041b tx timeout [ 58.605015] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.653054] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:14:30 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801ff0f5f0 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 0000555556f88400 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=000055f29181a080 CR3=0000000015ae8000 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=000000000003f2c1 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=00007f756d24ee10 CR3=000000000ecb6000 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=a0a093b8dacd56949d4399d98e0edd9d XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=70cbcf97633cdc32000000000013ab50 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=eaa6494c504af19200000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000