[ 39.117603] ------------[ cut here ]------------ [ 39.118540] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.120663] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.122212] Modules linked in: [ 39.122817] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.124870] Tainted: [W]=WARN [ 39.125452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.126948] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.127889] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.131141] RSP: 0018:ffff88801c537bc0 EFLAGS: 00010286 [ 39.132080] RAX: 0000000000000000 RBX: ffffed10038a6f78 RCX: ffffffff813a4050 [ 39.133380] RDX: ffff888016be5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.134668] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10038a6f2f [ 39.135961] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.137272] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c537df8 [ 39.138572] FS: 00007f3656913900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.140016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.141108] CR2: 00007f3656e05580 CR3: 000000000e82f000 CR4: 0000000000350ef0 [ 39.142425] Call Trace: [ 39.142884] [ 39.143350] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.144232] ? __create_object+0x59/0x80 [ 39.144998] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.145991] __vmalloc_noprof+0x59/0x60 [ 39.146769] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.147664] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.148616] bpf_prog_alloc+0x39/0x200 [ 39.149372] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.150321] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.151236] do_seccomp+0x349/0x25e0 [ 39.151921] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.152849] ? __pfx_do_seccomp+0x10/0x10 [ 39.153641] ? find_held_lock+0x2b/0x80 [ 39.154410] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.155381] ? static_key_count+0x60/0x80 [ 39.156209] prctl_set_seccomp+0x4e/0x70 [ 39.156964] __do_sys_prctl+0xe6c/0x1d70 [ 39.157770] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.158612] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.159602] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.160596] ? irqentry_exit+0xf3/0x650 [ 39.161368] do_syscall_64+0xbf/0x430 [ 39.162071] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.163045] RIP: 0033:0x7f3656e055cd [ 39.163745] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.166943] RSP: 002b:00007ffc002c4960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.168314] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3656e055cd [ 39.169628] RDX: 000055f556bd3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.170935] RBP: 00007ffc002c49c0 R08: 0000000000000000 R09: 00007ffc002c4060 [ 39.172247] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f5604adad0 [ 39.173555] R13: 00007ffc002c4df0 R14: 000055f5604aebc0 R15: 000055f5604bf780 [ 39.174867] [ 39.175344] irq event stamp: 1719 [ 39.175958] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 39.177486] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 39.179022] softirqs last enabled at (1620): [] handle_softirqs+0x50c/0x770 [ 39.180595] softirqs last disabled at (1615): [] __irq_exit_rcu+0xc4/0x100 [ 39.182145] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.205684] ------------[ cut here ]------------ [ 42.206604] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.208686] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.211485] Modules linked in: [ 42.212087] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.214439] Tainted: [W]=WARN [ 42.214995] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.216498] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.217421] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.220638] RSP: 0018:ffff8880161a7bc0 EFLAGS: 00010286 [ 42.221611] RAX: 0000000000000000 RBX: ffffed1002c34f78 RCX: ffffffff813a4050 [ 42.222892] RDX: ffff888015e95340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.224166] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c34f2f [ 42.225492] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.226782] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161a7df8 [ 42.228060] FS: 00007f1f5e6be900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.229541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.230626] CR2: 00007ffee53acef7 CR3: 000000000fbd8000 CR4: 0000000000350ef0 [ 42.231938] Call Trace: [ 42.232455] [ 42.232950] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.233849] ? __create_object+0x59/0x80 [ 42.234636] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.235615] __vmalloc_noprof+0x59/0x60 [ 42.236373] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.237315] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.238252] bpf_prog_alloc+0x39/0x200 [ 42.238941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.239883] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.240830] do_seccomp+0x349/0x25e0 [ 42.241564] ? find_held_lock+0x2b/0x80 [ 42.242330] ? do_prlimit+0x310/0x610 [ 42.243025] ? __pfx_do_seccomp+0x10/0x10 [ 42.243837] ? do_raw_spin_unlock+0x53/0x220 [ 42.244704] ? _raw_spin_unlock+0x1e/0x40 [ 42.245512] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.246483] ? static_key_count+0x60/0x80 [ 42.247297] prctl_set_seccomp+0x4e/0x70 [ 42.248031] __do_sys_prctl+0xe6c/0x1d70 [ 42.248861] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.249736] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.250706] ? irqentry_exit+0xf3/0x650 [ 42.251475] do_syscall_64+0xbf/0x430 [ 42.252226] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.253228] RIP: 0033:0x7f1f5ebb05cd [ 42.253892] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.257193] RSP: 002b:00007ffee53ab820 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.258574] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f5ebb05cd [ 42.259856] RDX: 000055e1c694ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.261192] RBP: 00007ffee53ab880 R08: 0000000000000000 R09: 00007ffee53aaf20 [ 42.262477] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e1e55fbad0 [ 42.263745] R13: 00007ffee53abcb0 R14: 000055e1e55fcbc0 R15: 000055e1e560d780 [ 42.265165] [ 42.265586] irq event stamp: 2109 [ 42.266232] hardirqs last enabled at (2119): [] __up_console_sem+0x78/0x80 [ 42.267775] hardirqs last disabled at (2128): [] __up_console_sem+0x5d/0x80 [ 42.269334] softirqs last enabled at (2030): [] handle_softirqs+0x50c/0x770 [ 42.270900] softirqs last disabled at (2017): [] __irq_exit_rcu+0xc4/0x100 [ 42.272428] ---[ end trace 0000000000000000 ]--- [ 43.111437] ------------[ cut here ]------------ [ 43.112351] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.114501] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.116016] Modules linked in: [ 43.116735] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.118816] Tainted: [W]=WARN [ 43.119431] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.120983] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.121929] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 43.125265] RSP: 0018:ffff8880177dfbc0 EFLAGS: 00010286 [ 43.126278] RAX: 0000000000000000 RBX: ffffed1002efbf78 RCX: ffffffff813a4050 [ 43.127615] RDX: ffff888015e90000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.128960] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002efbf2f [ 43.130294] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.131632] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880177dfdf8 [ 43.132980] FS: 00007f1b96a2b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.134484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.135588] CR2: 00007ffd19a6fef7 CR3: 000000000d6a0000 CR4: 0000000000350ef0 [ 43.136953] Call Trace: [ 43.137469] [ 43.137895] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.138829] ? __create_object+0x59/0x80 [ 43.139643] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.140671] __vmalloc_noprof+0x59/0x60 [ 43.141457] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.142349] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.143322] bpf_prog_alloc+0x39/0x200 [ 43.144051] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.145033] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.145974] do_seccomp+0x349/0x25e0 [ 43.146722] ? find_held_lock+0x2b/0x80 [ 43.147518] ? do_prlimit+0x310/0x610 [ 43.148286] ? __pfx_do_seccomp+0x10/0x10 [ 43.149074] ? do_raw_spin_unlock+0x53/0x220 [ 43.149942] ? _raw_spin_unlock+0x1e/0x40 [ 43.150760] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.151766] ? static_key_count+0x60/0x80 [ 43.152613] prctl_set_seccomp+0x4e/0x70 [ 43.153424] __do_sys_prctl+0xe6c/0x1d70 [ 43.154239] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.155087] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.156102] ? irqentry_exit+0xf3/0x650 [ 43.156915] do_syscall_64+0xbf/0x430 [ 43.157687] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.158681] RIP: 0033:0x7f1b96f1d5cd [ 43.159416] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 43.162765] RSP: 002b:00007ffd19a6e0d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.164202] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1b96f1d5cd [ 43.165570] RDX: 00005578d2cf0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.166916] RBP: 00007ffd19a6e130 R08: 0000000000000000 R09: 00007ffd19a6d7d0 [ 43.168269] R10: 0000000000000000 R11: 0000000000000246 R12: 00005578d3ff2240 [ 43.169632] R13: 00007ffd19a6e560 R14: 00005578d3ffb380 R15: 00005578d4006540 [ 43.170998] [ 43.171472] irq event stamp: 1755 [ 43.172108] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 43.173752] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 43.175354] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 43.176957] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 43.178304] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4433' (ECDSA) to the list of known hosts. 2025/11/18 01:46:16 fuzzer started 2025/11/18 01:46:16 dialing manager at localhost:37895 2025/11/18 01:46:16 checking machine... 2025/11/18 01:46:16 checking revisions... [ 44.058821] kmemleak: Automatic memory scanning thread ended 2025/11/18 01:46:16 testing simple program... [ 44.153298] cgroup: Unknown subsys name 'net' [ 44.230011] cgroup: Unknown subsys name 'cpuset' [ 44.252422] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 01:46:15 Registers: info registers vcpu 0 RAX=ffffffff86a26007 RBX=0000000000000001 RCX=ffffffff86a26002 RDX=0000000000000002 RSI=0000000000000007 RDI=ffffffff866c43c8 RBP=ffff88806ce08ac8 RSP=ffff88806ce08a00 R8 =ffffffff86a25fde R9 =0000000000000000 R10=000000000003c9ed R11=000000000000d005 R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff88806ce08ab1 R15=ffff88806ce08a70 RIP=ffffffff8135e82c RFL=00000246 [---Z-P-] 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1f5ec75618 CR3=0000000013fea000 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=36343a313020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343730 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=0000000000000200 RCX=ffffffff87cf62d0 RDX=0000000000000008 RSI=ffff888013ea0a80 RDI=ffff888013ea0000 RBP=ffff888013ea0000 RSP=ffff88801a437588 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000001 R14=ffff888013ea0a80 R15=0000000000000004 RIP=ffffffff81526594 RFL=00000007 [-----PC] 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 00007f1f5e6be900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1f5e69d020 CR3=000000001d0df000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000