Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:9943' (ECDSA) to the list of known hosts. 2023/05/18 04:16:09 fuzzer started 2023/05/18 04:16:09 dialing manager at localhost:44319 2023/05/18 04:16:09 checking machine... 2023/05/18 04:16:09 checking revisions... syzkaller login: [ 56.192082] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:16:10 testing simple program... [ 56.260579] cgroup: Unknown subsys name 'net' [ 56.347245] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 68.460944] audit: type=1400 audit(1684383382.384:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 69.564499] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.567258] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.568908] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.572475] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.574937] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.576420] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.971610] ------------[ cut here ]------------ [ 69.973242] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 69.975390] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.976817] Modules linked in: [ 69.977525] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 69.981616] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.982767] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.983630] 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 [ 69.985926] RSP: 0018:ffff88801a1bfc00 EFLAGS: 00010282 [ 69.986634] RAX: 0000000000000000 RBX: ffff88800fb04c40 RCX: 0000000000000000 [ 69.987590] RDX: ffff88800dab9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 69.988553] RBP: ffff88800fb04c54 R08: 0000000000000001 R09: 0000000000000000 [ 69.989487] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 69.990424] R13: ffffffff84e23fe0 R14: ffff88800fb04c48 R15: ffffffff84d74dc0 [ 69.991381] FS: 0000555556cd5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 69.992480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.993262] CR2: 00007facc41a26f4 CR3: 0000000009bde000 CR4: 0000000000350ef0 [ 69.994198] Call Trace: [ 69.994539] [ 69.994846] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 69.995511] ipv4_frags_init_net+0x269/0x440 [ 69.996098] ops_init+0xbb/0x6b0 [ 69.996582] setup_net+0x3d9/0x990 [ 69.997034] ? down_read_killable+0x1d7/0x4e0 [ 69.997634] ? __pfx_setup_net+0x10/0x10 [ 69.998184] ? copy_net_ns+0x17c/0x770 [ 69.998693] copy_net_ns+0x321/0x770 [ 69.999213] create_new_namespaces+0x3f6/0xb30 [ 69.999827] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.000531] ksys_unshare+0x44d/0x8e0 [ 70.001028] ? __pfx_ksys_unshare+0x10/0x10 [ 70.001613] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.002359] __x64_sys_unshare+0x31/0x40 [ 70.002876] do_syscall_64+0x3f/0x90 [ 70.003385] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.004046] RIP: 0033:0x7efdc3e8b0d7 [ 70.004548] 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 [ 70.006711] RSP: 002b:00007ffd351959a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 70.007655] RAX: ffffffffffffffda RBX: 00007ffd35195fe8 RCX: 00007efdc3e8b0d7 [ 70.008576] RDX: 00007efdc3ef541f RSI: 00007ffd35195940 RDI: 0000000040000000 [ 70.009468] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd35195750 [ 70.010351] R10: 0000000000000000 R11: 0000000000000202 R12: 00007efdc3f9dbf0 [ 70.011246] R13: 00007ffd35195a80 R14: 0000000000000000 R15: 00000000000000f8 [ 70.012162] [ 70.012461] irq event stamp: 9371 [ 70.012878] hardirqs last enabled at (9381): [] __up_console_sem+0x78/0x80 [ 70.013938] hardirqs last disabled at (9392): [] __up_console_sem+0x5d/0x80 [ 70.014996] softirqs last enabled at (9406): [] irq_exit_rcu+0x93/0xc0 [ 70.016033] softirqs last disabled at (9401): [] irq_exit_rcu+0x93/0xc0 [ 70.017058] ---[ end trace 0000000000000000 ]--- [ 70.022965] ------------[ cut here ]------------ [ 70.023633] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 70.025393] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.026626] Modules linked in: [ 70.027047] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 70.028336] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.029496] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.030326] 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 [ 70.032697] RSP: 0018:ffff88801a1bfc00 EFLAGS: 00010282 [ 70.033526] RAX: 0000000000000000 RBX: ffff88800d8f4640 RCX: 0000000000000000 [ 70.034540] RDX: ffff88800dab9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 70.035609] RBP: ffff88800d8f4654 R08: 0000000000000001 R09: 0000000000000000 [ 70.036657] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 70.037675] R13: ffffffff84e23fe0 R14: ffff88800d8f4648 R15: ffffffff84da7d60 [ 70.038746] FS: 0000555556cd5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 70.039914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.040844] CR2: 00007f6015658a50 CR3: 0000000009bde000 CR4: 0000000000350ee0 [ 70.041886] Call Trace: [ 70.042377] [ 70.042679] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 70.043518] ipv6_frags_init_net+0x206/0x3c0 [ 70.044097] ops_init+0xbb/0x6b0 [ 70.044703] setup_net+0x3d9/0x990 [ 70.045320] ? down_read_killable+0x1d7/0x4e0 [ 70.045905] ? __pfx_setup_net+0x10/0x10 [ 70.046560] ? copy_net_ns+0x17c/0x770 [ 70.047085] copy_net_ns+0x321/0x770 [ 70.047824] create_new_namespaces+0x3f6/0xb30 [ 70.048554] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.049366] ksys_unshare+0x44d/0x8e0 [ 70.049871] ? __pfx_ksys_unshare+0x10/0x10 [ 70.050574] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.051492] __x64_sys_unshare+0x31/0x40 [ 70.052030] do_syscall_64+0x3f/0x90 [ 70.052640] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.053445] RIP: 0033:0x7efdc3e8b0d7 [ 70.053920] 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 [ 70.056340] RSP: 002b:00007ffd351959a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 70.057396] RAX: ffffffffffffffda RBX: 00007ffd35195fe8 RCX: 00007efdc3e8b0d7 [ 70.058492] RDX: 00007efdc3ef541f RSI: 00007ffd35195940 RDI: 0000000040000000 [ 70.059524] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd35195750 [ 70.060618] R10: 0000000000000000 R11: 0000000000000202 R12: 00007efdc3f9dbf0 [ 70.061612] R13: 00007ffd35195a80 R14: 0000000000000000 R15: 00000000000000f8 [ 70.062707] [ 70.063010] irq event stamp: 13661 [ 70.063619] hardirqs last enabled at (13743): [] __up_console_sem+0x78/0x80 [ 70.064831] hardirqs last disabled at (13786): [] __up_console_sem+0x5d/0x80 [ 70.066079] softirqs last enabled at (13884): [] irq_exit_rcu+0x93/0xc0 [ 70.067409] softirqs last disabled at (13973): [] irq_exit_rcu+0x93/0xc0 [ 70.068511] ---[ end trace 0000000000000000 ]--- [ 70.070235] ------------[ cut here ]------------ [ 70.070821] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 70.072748] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.073826] Modules linked in: [ 70.074276] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 70.075455] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.076485] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.077174] 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 [ 70.079392] RSP: 0018:ffff88801a1bfbf0 EFLAGS: 00010286 [ 70.080092] RAX: 0000000000000000 RBX: ffff888009038c40 RCX: 0000000000000000 [ 70.080992] RDX: ffff88800dab9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 70.081905] RBP: ffff888009038c54 R08: 0000000000000001 R09: 0000000000000000 [ 70.082810] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 70.083712] R13: ffffffff84e23fe0 R14: ffff888009038c48 R15: ffffffff84db0aa0 [ 70.084628] FS: 0000555556cd5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 70.085640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.086384] CR2: 00007f6015658a50 CR3: 0000000009bde000 CR4: 0000000000350ee0 [ 70.087276] Call Trace: [ 70.087604] [ 70.087911] nf_ct_net_init+0x224/0x3d0 [ 70.088465] ? __pfx_nf_ct_net_init+0x10/0x10 [ 70.089046] ops_init+0xbb/0x6b0 [ 70.089530] setup_net+0x3d9/0x990 [ 70.089990] ? down_read_killable+0x1d7/0x4e0 [ 70.090599] ? __pfx_setup_net+0x10/0x10 [ 70.091147] ? copy_net_ns+0x17c/0x770 [ 70.091666] copy_net_ns+0x321/0x770 [ 70.092219] create_new_namespaces+0x3f6/0xb30 [ 70.092804] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.093461] ksys_unshare+0x44d/0x8e0 [ 70.093953] ? __pfx_ksys_unshare+0x10/0x10 [ 70.094533] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.095287] __x64_sys_unshare+0x31/0x40 [ 70.095818] do_syscall_64+0x3f/0x90 [ 70.096340] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.096990] RIP: 0033:0x7efdc3e8b0d7 [ 70.097494] 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 [ 70.099557] RSP: 002b:00007ffd351959a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 70.100480] RAX: ffffffffffffffda RBX: 00007ffd35195fe8 RCX: 00007efdc3e8b0d7 [ 70.101314] RDX: 00007efdc3ef541f RSI: 00007ffd35195940 RDI: 0000000040000000 [ 70.102163] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd35195750 [ 70.102970] R10: 0000000000000000 R11: 0000000000000202 R12: 00007efdc3f9dbf0 [ 70.103806] R13: 00007ffd35195a80 R14: 0000000000000000 R15: 00000000000000f8 [ 70.104669] [ 70.104958] irq event stamp: 14795 [ 70.105400] hardirqs last enabled at (14807): [] __up_console_sem+0x78/0x80 [ 70.106409] hardirqs last disabled at (14818): [] __up_console_sem+0x5d/0x80 [ 70.107417] softirqs last enabled at (14254): [] irq_exit_rcu+0x93/0xc0 [ 70.108421] softirqs last disabled at (14237): [] irq_exit_rcu+0x93/0xc0 [ 70.109404] ---[ end trace 0000000000000000 ]--- executing program [ 71.651871] Bluetooth: hci0: command 0x0409 tx timeout [ 73.698400] Bluetooth: hci0: command 0x041b tx timeout executing program [ 75.746295] Bluetooth: hci0: command 0x040f tx timeout executing program [ 77.795161] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 04:16:04 Registers: info registers vcpu 0 RAX=000000000000007a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801a1bf5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000007a R11=0000000000000001 R12=000000000000007a 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 0000555556cd5400 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=00007facc41a26f4 CR3=0000000009bde000 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=000000000005d2c5 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=00007f60156c3310 CR3=0000000016508000 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=e0bdd1c2979d1ea1a24edb71d948609b XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=e9fc07bf400e25bc000000000013bb88 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=ac32756057ce3c7a00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000