[ 39.021050] ------------[ cut here ]------------ [ 39.021971] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.023940] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.025388] Modules linked in: [ 39.026014] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.028226] Tainted: [W]=WARN [ 39.028893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.030344] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.031243] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 39.034399] RSP: 0018:ffff88801b9f7bc0 EFLAGS: 00010286 [ 39.035365] RAX: 0000000000000000 RBX: ffffed100373ef78 RCX: ffffffff813a4050 [ 39.036667] RDX: ffff8880158fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.037944] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100373ef2f [ 39.039202] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.040486] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b9f7df8 [ 39.041761] FS: 00007f57bb83a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.043167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.044210] CR2: 00007ffe0c44fef8 CR3: 0000000013a8b000 CR4: 0000000000350ef0 [ 39.045491] Call Trace: [ 39.045952] [ 39.046354] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.047242] ? __create_object+0x59/0x80 [ 39.048012] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.048963] __vmalloc_noprof+0x59/0x60 [ 39.049702] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.050538] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.051422] bpf_prog_alloc+0x39/0x200 [ 39.052141] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.053062] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.053952] do_seccomp+0x349/0x25e0 [ 39.054656] ? find_held_lock+0x2b/0x80 [ 39.055362] ? do_prlimit+0x310/0x610 [ 39.056119] ? __pfx_do_seccomp+0x10/0x10 [ 39.056903] ? do_raw_spin_unlock+0x53/0x220 [ 39.057729] ? _raw_spin_unlock+0x1e/0x40 [ 39.058502] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.059404] ? static_key_count+0x60/0x80 [ 39.060220] prctl_set_seccomp+0x4e/0x70 [ 39.060982] __do_sys_prctl+0xe6c/0x1d70 [ 39.061744] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.062604] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.063545] ? irqentry_exit+0xf3/0x650 [ 39.064263] do_syscall_64+0xbf/0x430 [ 39.064989] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.065931] RIP: 0033:0x7f57bbd2c5cd [ 39.066610] 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 [ 39.069618] RSP: 002b:00007ffe0c44d2f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.070925] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f57bbd2c5cd [ 39.072164] RDX: 000055b28b487e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.073433] RBP: 00007ffe0c44d350 R08: 0000000000000000 R09: 00007ffe0c44c9f0 [ 39.074698] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b28f897ad0 [ 39.075980] R13: 00007ffe0c44d780 R14: 000055b28f898bc0 R15: 000055b28f8a9780 [ 39.077244] [ 39.077718] irq event stamp: 1853 [ 39.078312] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80 [ 39.079802] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 39.081302] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 39.082836] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 39.084327] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.689057] ------------[ cut here ]------------ [ 42.690015] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.692079] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.693571] Modules linked in: [ 42.694176] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.696206] Tainted: [W]=WARN [ 42.696820] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.698835] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.699868] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.703419] RSP: 0018:ffff8880142efbc0 EFLAGS: 00010286 [ 42.704748] RAX: 0000000000000000 RBX: ffffed100285df78 RCX: ffffffff813a4050 [ 42.706382] RDX: ffff888009a8d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.707984] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100285df2f [ 42.709443] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.710947] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880142efdf8 [ 42.712398] FS: 00007f7cd789d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.714019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.715207] CR2: 00007fff9e4d4ef8 CR3: 000000000bda5000 CR4: 0000000000350ef0 [ 42.716683] Call Trace: [ 42.717206] [ 42.717734] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.718747] ? __create_object+0x59/0x80 [ 42.719637] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.720740] __vmalloc_noprof+0x59/0x60 [ 42.721594] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.722585] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.723634] bpf_prog_alloc+0x39/0x200 [ 42.724430] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.725544] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.726587] do_seccomp+0x349/0x25e0 [ 42.727336] ? find_held_lock+0x2b/0x80 [ 42.728225] ? do_prlimit+0x310/0x610 [ 42.729079] ? __pfx_do_seccomp+0x10/0x10 [ 42.729979] ? do_raw_spin_unlock+0x53/0x220 [ 42.730934] ? _raw_spin_unlock+0x1e/0x40 [ 42.731825] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.732940] ? static_key_count+0x60/0x80 [ 42.733854] prctl_set_seccomp+0x4e/0x70 [ 42.734737] __do_sys_prctl+0xe6c/0x1d70 [ 42.735630] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.736632] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.737737] ? irqentry_exit+0xf3/0x650 [ 42.738615] do_syscall_64+0xbf/0x430 [ 42.739398] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.740510] RIP: 0033:0x7f7cd7d8f5cd [ 42.741255] 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 [ 42.744843] RSP: 002b:00007fff9e4d3350 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.746389] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7cd7d8f5cd [ 42.747841] RDX: 00005576419c8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.749307] RBP: 00007fff9e4d33b0 R08: 0000000000000000 R09: 00007fff9e4d2a50 [ 42.750778] R10: 0000000000000000 R11: 0000000000000246 R12: 000055764ec0fad0 [ 42.752241] R13: 00007fff9e4d37e0 R14: 000055764ec10bc0 R15: 000055764ec21780 [ 42.753516] [ 42.753917] irq event stamp: 1775 [ 42.754540] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 42.756010] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 42.757475] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 42.758956] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 42.760406] ---[ end trace 0000000000000000 ]--- [ 43.677885] ------------[ cut here ]------------ [ 43.678935] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.681204] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.682880] Modules linked in: [ 43.683591] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.685827] Tainted: [W]=WARN [ 43.686438] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.688114] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.689139] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.692691] RSP: 0018:ffff88801b837bc0 EFLAGS: 00010286 [ 43.693797] RAX: 0000000000000000 RBX: ffffed1003706f78 RCX: ffffffff813a4050 [ 43.695229] RDX: ffff8880183e9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.696680] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003706f2f [ 43.698114] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.699539] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b837df8 [ 43.700985] FS: 00007fc2ae9ef900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.702602] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.703779] CR2: 00007ffc512aaef8 CR3: 000000001c32c000 CR4: 0000000000350ef0 [ 43.705232] Call Trace: [ 43.705736] [ 43.706170] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.707107] ? __create_object+0x59/0x80 [ 43.707925] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.708976] __vmalloc_noprof+0x59/0x60 [ 43.709781] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.710696] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.711670] bpf_prog_alloc+0x39/0x200 [ 43.712401] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.713377] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.714320] do_seccomp+0x349/0x25e0 [ 43.715064] ? find_held_lock+0x2b/0x80 [ 43.715867] ? do_prlimit+0x310/0x610 [ 43.716654] ? __pfx_do_seccomp+0x10/0x10 [ 43.717418] ? do_raw_spin_unlock+0x53/0x220 [ 43.718294] ? _raw_spin_unlock+0x1e/0x40 [ 43.719114] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.720123] ? static_key_count+0x60/0x80 [ 43.720971] prctl_set_seccomp+0x4e/0x70 [ 43.721791] __do_sys_prctl+0xe6c/0x1d70 [ 43.722616] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.723507] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.724528] ? irqentry_exit+0xf3/0x650 [ 43.725271] do_syscall_64+0xbf/0x430 [ 43.726050] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.727036] RIP: 0033:0x7fc2aeee15cd [ 43.727772] 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 [ 43.731073] RSP: 002b:00007ffc512a8bb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.732516] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc2aeee15cd [ 43.733843] RDX: 00005632b8abee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.735169] RBP: 00007ffc512a8c10 R08: 0000000000000000 R09: 00007ffc512a82b0 [ 43.736582] R10: 0000000000000000 R11: 0000000000000246 R12: 00005632c099cad0 [ 43.737969] R13: 00007ffc512a9040 R14: 00005632c099dbc0 R15: 00005632c09ae780 [ 43.739310] [ 43.739803] irq event stamp: 1787 [ 43.740420] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 43.741879] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 43.743287] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 43.744717] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 43.746126] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:11111' (ECDSA) to the list of known hosts. 2025/11/19 01:39:09 fuzzer started 2025/11/19 01:39:09 dialing manager at localhost:34383 2025/11/19 01:39:09 checking machine... 2025/11/19 01:39:09 checking revisions... [ 44.606613] kmemleak: Automatic memory scanning thread ended 2025/11/19 01:39:09 testing simple program... [ 44.687035] cgroup: Unknown subsys name 'net' [ 44.748670] cgroup: Unknown subsys name 'cpuset' [ 44.761643] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 01:39:08 Registers: info registers vcpu 0 RAX=0000000000020000 RBX=ffff8880174bd340 RCX=0000000000000000 RDX=0000000000020005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff8880174bdd98 RSP=ffff888019677410 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff8880174bdd98 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270cc RFL=00000006 [-----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 00007f7cd789d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7cd7e52650 CR3=000000001f6a3000 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=ffffffff00ffffffffffffffffffffff XMM01=707465675f6c697475646f6d6d61705f XMM02=ff000000000000ff0000000000ff0000 XMM03=66207463656e6e6f6373696420646576 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=00000000000000000000000000000000 XMM08=000a0d732a2e25006c61746166003367 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88800e28b500 RCX=ffffffff83cd6e01 RDX=ffff888015840000 RSI=00000000ffffffff RDI=0000000000000005 RBP=0000000000000000 RSP=ffff88801583f8a8 R8 =00000000000000ef R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffff88801583fb88 R14=ffff88800e28b590 R15=ffff88801583fb88 RIP=ffffffff81751796 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 00007f9789fab900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f97896c3008 CR3=000000000d54e000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=2af9b7a8222c71ee00000000000ae988 XMM05=92ef8535b55d6e3a0000000000321d58 XMM06=d07df75aaf5e17c9000000000031fdc0 XMM07=fb795ef6d6577056000000000030dc88 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000