[ 38.937364] ------------[ cut here ]------------ [ 38.938275] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.940330] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 38.941770] Modules linked in: [ 38.942398] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.944376] Tainted: [W]=WARN [ 38.944920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.946376] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.947281] 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 [ 38.950391] RSP: 0018:ffff888016ce7bc0 EFLAGS: 00010286 [ 38.951357] RAX: 0000000000000000 RBX: ffffed1002d9cf78 RCX: ffffffff813a4050 [ 38.952621] RDX: ffff88800f725340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.953900] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d9cf2f [ 38.955159] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.956414] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ce7df8 [ 38.957670] FS: 00007f6875031900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.959085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.960135] CR2: 00007f6875523580 CR3: 000000000e3b9000 CR4: 0000000000350ef0 [ 38.961400] Call Trace: [ 38.961850] [ 38.962287] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.963182] ? __create_object+0x59/0x80 [ 38.963925] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.964888] __vmalloc_noprof+0x59/0x60 [ 38.965635] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.966497] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.967397] bpf_prog_alloc+0x39/0x200 [ 38.968135] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.969049] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.969894] do_seccomp+0x349/0x25e0 [ 38.970595] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.971474] ? __pfx_do_seccomp+0x10/0x10 [ 38.972257] ? find_held_lock+0x2b/0x80 [ 38.973012] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.973912] ? static_key_count+0x60/0x80 [ 38.974710] prctl_set_seccomp+0x4e/0x70 [ 38.975476] __do_sys_prctl+0xe6c/0x1d70 [ 38.976260] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.977101] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.978044] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.978947] ? irqentry_exit+0xf3/0x650 [ 38.979710] do_syscall_64+0xbf/0x430 [ 38.980444] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.981377] RIP: 0033:0x7f68755235cd [ 38.982072] 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 [ 38.985192] RSP: 002b:00007ffcf330bf50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.986528] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68755235cd [ 38.987793] RDX: 0000558513d3be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.989051] RBP: 00007ffcf330bfb0 R08: 0000000000000000 R09: 00007ffcf330b650 [ 38.990299] R10: 0000000000000000 R11: 0000000000000246 R12: 000055853925bad0 [ 38.991557] R13: 00007ffcf330c3e0 R14: 000055853925cbc0 R15: 000055853926d780 [ 38.992563] [ 38.992817] irq event stamp: 1677 [ 38.993219] hardirqs last enabled at (1693): [] __up_console_sem+0x78/0x80 [ 38.994135] hardirqs last disabled at (1702): [] __up_console_sem+0x5d/0x80 [ 38.995055] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 38.995981] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 38.996862] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.671656] ------------[ cut here ]------------ [ 41.672587] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.674653] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.676137] Modules linked in: [ 41.676726] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.679167] Tainted: [W]=WARN [ 41.679735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.681213] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.682130] 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 [ 41.685340] RSP: 0018:ffff888017d0fbc0 EFLAGS: 00010286 [ 41.686327] RAX: 0000000000000000 RBX: ffffed1002fa1f78 RCX: ffffffff813a4050 [ 41.687613] RDX: ffff888016e4b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.688911] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fa1f2f [ 41.690204] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.691489] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017d0fdf8 [ 41.692787] FS: 00007fc787c74900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.694237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.695303] CR2: 00007fc788166580 CR3: 000000000e320000 CR4: 0000000000350ef0 [ 41.696607] Call Trace: [ 41.697104] [ 41.697517] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.698418] ? __create_object+0x59/0x80 [ 41.699204] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.700185] __vmalloc_noprof+0x59/0x60 [ 41.700903] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.701777] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.702715] bpf_prog_alloc+0x39/0x200 [ 41.703454] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.704405] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.705311] do_seccomp+0x349/0x25e0 [ 41.706031] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.706891] ? __pfx_do_seccomp+0x10/0x10 [ 41.707695] ? find_held_lock+0x2b/0x80 [ 41.708449] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.709440] ? static_key_count+0x60/0x80 [ 41.710253] prctl_set_seccomp+0x4e/0x70 [ 41.711030] __do_sys_prctl+0xe6c/0x1d70 [ 41.711789] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.712648] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.713624] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.714600] ? irqentry_exit+0xf3/0x650 [ 41.715370] do_syscall_64+0xbf/0x430 [ 41.716126] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.717085] RIP: 0033:0x7fc7881665cd [ 41.717749] 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 [ 41.720974] RSP: 002b:00007ffc395dd9c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.722340] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc7881665cd [ 41.723655] RDX: 000055b84a479e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.724974] RBP: 00007ffc395dda20 R08: 0000000000000000 R09: 00007ffc395dd0c0 [ 41.726278] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b874ca5b10 [ 41.727575] R13: 00007ffc395dde50 R14: 000055b874ca62b0 R15: 000055b874cba6f0 [ 41.728902] [ 41.729375] irq event stamp: 1869 [ 41.730033] hardirqs last enabled at (1879): [] __up_console_sem+0x78/0x80 [ 41.731568] hardirqs last disabled at (1888): [] __up_console_sem+0x5d/0x80 [ 41.732822] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 41.733854] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 41.734872] ---[ end trace 0000000000000000 ]--- [ 42.452538] ------------[ cut here ]------------ [ 42.453454] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.455494] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.457024] Modules linked in: [ 42.457607] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.459579] Tainted: [W]=WARN [ 42.460213] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.461684] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.462595] 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 [ 42.465796] RSP: 0018:ffff88801655fbc0 EFLAGS: 00010286 [ 42.466784] RAX: 0000000000000000 RBX: ffffed1002cabf78 RCX: ffffffff813a4050 [ 42.468101] RDX: ffff888017f50000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.469396] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cabf2f [ 42.470669] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.471997] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801655fdf8 [ 42.473303] FS: 00007f52392da900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.474736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.475842] CR2: 00007ffd4d16aef7 CR3: 0000000020660000 CR4: 0000000000350ef0 [ 42.477130] Call Trace: [ 42.477609] [ 42.478081] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.479008] ? __create_object+0x59/0x80 [ 42.479805] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.480808] __vmalloc_noprof+0x59/0x60 [ 42.481585] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.482484] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.483443] bpf_prog_alloc+0x39/0x200 [ 42.484243] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.485199] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.486129] do_seccomp+0x349/0x25e0 [ 42.486820] ? find_held_lock+0x2b/0x80 [ 42.487595] ? do_prlimit+0x310/0x610 [ 42.488401] ? __pfx_do_seccomp+0x10/0x10 [ 42.489216] ? do_raw_spin_unlock+0x53/0x220 [ 42.490074] ? _raw_spin_unlock+0x1e/0x40 [ 42.490830] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.491856] ? static_key_count+0x60/0x80 [ 42.492686] prctl_set_seccomp+0x4e/0x70 [ 42.493484] __do_sys_prctl+0xe6c/0x1d70 [ 42.494291] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.495172] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.496207] ? irqentry_exit+0xf3/0x650 [ 42.496991] do_syscall_64+0xbf/0x430 [ 42.497704] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.498680] RIP: 0033:0x7f52397cc5cd [ 42.499404] 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 [ 42.502709] RSP: 002b:00007ffd4d169920 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.504154] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52397cc5cd [ 42.505474] RDX: 000056232f75de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.506791] RBP: 00007ffd4d169980 R08: 0000000000000000 R09: 00007ffd4d169020 [ 42.508140] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562335ae22b0 [ 42.509451] R13: 00007ffd4d169db0 R14: 0000562335ae4d20 R15: 0000562335af68d0 [ 42.510785] [ 42.511267] irq event stamp: 1701 [ 42.511926] hardirqs last enabled at (1709): [] __up_console_sem+0x78/0x80 [ 42.513487] hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80 [ 42.514786] softirqs last enabled at (1180): [] handle_softirqs+0x50c/0x770 [ 42.516139] softirqs last disabled at (1169): [] __irq_exit_rcu+0xc4/0x100 [ 42.517438] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:19531' (ECDSA) to the list of known hosts. 2025/11/17 10:38:01 fuzzer started 2025/11/17 10:38:01 dialing manager at localhost:37895 2025/11/17 10:38:01 checking machine... 2025/11/17 10:38:01 checking revisions... [ 43.484917] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:38:02 testing simple program... [ 43.570466] cgroup: Unknown subsys name 'net' [ 43.642899] cgroup: Unknown subsys name 'cpuset' [ 43.660528] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 10:38:01 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000010000 RCX=ffffffff81848d4e RDX=1ffff1100d9c628d RSI=ffffffff8162a39f RDI=0000000000000007 RBP=0000000000000002 RSP=ffff88806ce08d38 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=0000000000000000 R11=0000000000008931 R12=ffff88806ce27240 R13=fffffbfff0b82250 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff81751c78 RFL=00000046 [---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 00007fc787c74900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc395d7000 CR3=000000000cf65000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000bde1ca10 RBX=0000000000013e9a RCX=0000000000000001 RDX=000000000000001c RSI=ffffffff812c3489 RDI=ffffffff85ca1480 RBP=000000099eabb382 RSP=ffff88806cf08d30 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=ffff88806cf28500 R13=dffffc0000000000 R14=0000000000000001 R15=dffffc0000000000 RIP=ffffffff812c348c RFL=00000046 [---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 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=00007ffdf6a89d88 CR3=000000000cb3b000 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=2030303a38333a303120373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030303a38333a3031203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000