[ 39.002541] ------------[ cut here ]------------ [ 39.003483] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.005516] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.006971] Modules linked in: [ 39.007558] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.009537] Tainted: [W]=WARN [ 39.010130] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.011590] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.012497] 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 [ 39.015672] RSP: 0018:ffff88800f577bc0 EFLAGS: 00010286 [ 39.016642] RAX: 0000000000000000 RBX: ffffed1001eaef78 RCX: ffffffff813a4050 [ 39.017955] RDX: ffff888016ee0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.019238] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001eaef2f [ 39.020515] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.021798] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f577df8 [ 39.023084] FS: 00007f4d732aa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.024507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.025575] CR2: 00007ffcb4dcdef7 CR3: 000000000d7e6000 CR4: 0000000000350ef0 [ 39.026875] Call Trace: [ 39.027338] [ 39.027756] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.028658] ? __create_object+0x59/0x80 [ 39.029438] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.030404] __vmalloc_noprof+0x59/0x60 [ 39.031158] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.032028] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.032955] bpf_prog_alloc+0x39/0x200 [ 39.033684] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.034610] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.035501] do_seccomp+0x349/0x25e0 [ 39.036205] ? find_held_lock+0x2b/0x80 [ 39.036975] ? do_prlimit+0x310/0x610 [ 39.037675] ? __pfx_do_seccomp+0x10/0x10 [ 39.038462] ? do_raw_spin_unlock+0x53/0x220 [ 39.039287] ? _raw_spin_unlock+0x1e/0x40 [ 39.040067] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.041020] ? static_key_count+0x60/0x80 [ 39.041811] prctl_set_seccomp+0x4e/0x70 [ 39.042592] __do_sys_prctl+0xe6c/0x1d70 [ 39.043374] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.044218] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.045184] ? irqentry_exit+0xf3/0x650 [ 39.045959] do_syscall_64+0xbf/0x430 [ 39.046658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.047601] RIP: 0033:0x7f4d7379c5cd [ 39.048305] 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 [ 39.051480] RSP: 002b:00007ffcb4dcccf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.052871] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4d7379c5cd [ 39.054153] RDX: 000055907296de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.055423] RBP: 00007ffcb4dccd50 R08: 0000000000000000 R09: 00007ffcb4dcc3f0 [ 39.056723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559082620240 [ 39.058020] R13: 00007ffcb4dcd180 R14: 0000559082629380 R15: 0000559082634540 [ 39.059331] [ 39.059748] irq event stamp: 1707 [ 39.060387] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 39.061777] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 39.062750] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 39.063730] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 39.064694] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.073725] ------------[ cut here ]------------ [ 42.074330] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.075595] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.076636] Modules linked in: [ 42.077146] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.078510] Tainted: [W]=WARN [ 42.079016] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.080054] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.080608] 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 [ 42.082680] RSP: 0018:ffff88801b677bc0 EFLAGS: 00010286 [ 42.083319] RAX: 0000000000000000 RBX: ffffed10036cef78 RCX: ffffffff813a4050 [ 42.084135] RDX: ffff888015725340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.084953] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10036cef2f [ 42.085747] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.086557] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b677df8 [ 42.087360] FS: 00007f0a406c1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.088264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.088934] CR2: 00007f0a40bb3580 CR3: 000000001fab2000 CR4: 0000000000350ef0 [ 42.089749] Call Trace: [ 42.090076] [ 42.090334] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.090891] ? __create_object+0x59/0x80 [ 42.091357] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.091966] __vmalloc_noprof+0x59/0x60 [ 42.092421] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.092977] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.093553] bpf_prog_alloc+0x39/0x200 [ 42.094019] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.094583] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.095154] do_seccomp+0x349/0x25e0 [ 42.095580] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.096146] ? __pfx_do_seccomp+0x10/0x10 [ 42.096622] ? find_held_lock+0x2b/0x80 [ 42.097102] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.097694] ? static_key_count+0x60/0x80 [ 42.098202] prctl_set_seccomp+0x4e/0x70 [ 42.098665] __do_sys_prctl+0xe6c/0x1d70 [ 42.099167] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.099680] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.100291] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.100910] ? irqentry_exit+0xf3/0x650 [ 42.101386] do_syscall_64+0xbf/0x430 [ 42.101827] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.102444] RIP: 0033:0x7f0a40bb35cd [ 42.102893] 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 [ 42.104927] RSP: 002b:00007ffc814d79f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.105784] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0a40bb35cd [ 42.106594] RDX: 0000557cc84a2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.107396] RBP: 00007ffc814d7a50 R08: 0000000000000000 R09: 00007ffc814d70f0 [ 42.108205] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557d07d40240 [ 42.109016] R13: 00007ffc814d7e80 R14: 0000557d07d3fbf0 R15: 0000557d07d544d0 [ 42.109822] [ 42.110118] irq event stamp: 1963 [ 42.110504] hardirqs last enabled at (1971): [] __up_console_sem+0x78/0x80 [ 42.111463] hardirqs last disabled at (1980): [] __up_console_sem+0x5d/0x80 [ 42.112422] softirqs last enabled at (1864): [] handle_softirqs+0x50c/0x770 [ 42.113402] softirqs last disabled at (1849): [] __irq_exit_rcu+0xc4/0x100 [ 42.114366] ---[ end trace 0000000000000000 ]--- [ 42.875825] ------------[ cut here ]------------ [ 42.876421] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.877710] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.878646] Modules linked in: [ 42.879049] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.880317] Tainted: [W]=WARN [ 42.880669] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.881624] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.882200] 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 [ 42.884226] RSP: 0018:ffff8880160e7bc0 EFLAGS: 00010286 [ 42.884819] RAX: 0000000000000000 RBX: ffffed1002c1cf78 RCX: ffffffff813a4050 [ 42.885653] RDX: ffff888016c3d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.886467] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c1cf2f [ 42.887287] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.888101] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880160e7df8 [ 42.888924] FS: 00007f2e8a314900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.889875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.890531] CR2: 00007f2e8a806580 CR3: 000000000ec0d000 CR4: 0000000000350ef0 [ 42.891352] Call Trace: [ 42.891648] [ 42.891933] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.892485] ? __create_object+0x59/0x80 [ 42.892974] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.893572] __vmalloc_noprof+0x59/0x60 [ 42.894055] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.894587] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.895176] bpf_prog_alloc+0x39/0x200 [ 42.895622] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.896209] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.896758] do_seccomp+0x349/0x25e0 [ 42.897218] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.897773] ? __pfx_do_seccomp+0x10/0x10 [ 42.898272] ? find_held_lock+0x2b/0x80 [ 42.898729] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.899344] ? static_key_count+0x60/0x80 [ 42.899837] prctl_set_seccomp+0x4e/0x70 [ 42.900333] __do_sys_prctl+0xe6c/0x1d70 [ 42.900795] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.901345] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.901960] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.902561] ? irqentry_exit+0xf3/0x650 [ 42.903047] do_syscall_64+0xbf/0x430 [ 42.903486] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.904088] RIP: 0033:0x7f2e8a8065cd [ 42.904519] 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 [ 42.906550] RSP: 002b:00007ffcc4624560 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.907406] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2e8a8065cd [ 42.908206] RDX: 000055aa2d8c5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.909013] RBP: 00007ffcc46245c0 R08: 0000000000000000 R09: 00007ffcc4623c60 [ 42.909814] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa51a14ad0 [ 42.910628] R13: 00007ffcc46249f0 R14: 000055aa51a15bc0 R15: 000055aa51a26780 [ 42.911444] [ 42.911714] irq event stamp: 1775 [ 42.912121] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 42.913078] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 42.914049] softirqs last enabled at (1362): [] handle_softirqs+0x50c/0x770 [ 42.915028] softirqs last disabled at (1357): [] __irq_exit_rcu+0xc4/0x100 [ 42.915985] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:54640' (ECDSA) to the list of known hosts. 2025/11/17 15:50:20 fuzzer started 2025/11/17 15:50:20 dialing manager at localhost:37895 2025/11/17 15:50:20 checking machine... 2025/11/17 15:50:20 checking revisions... [ 43.784992] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:50:20 testing simple program... [ 43.883548] cgroup: Unknown subsys name 'net' [ 43.959784] cgroup: Unknown subsys name 'cpuset' [ 43.979214] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:50:19 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff85e78700 RCX=ffff88806ce089c4 RDX=0000000000000000 RSI=ffffffff8175a467 RDI=ffffffff85e78700 RBP=00007f0a411fba52 RSP=ffff88806ce089f8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=00007f0a411fba52 R13=0000000000000000 R14=ffff888015db1bc0 R15=ffff888008c4b780 RIP=ffffffff81751c78 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f0a406c1900 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=00007ffc814d08bc CR3=000000001fa47000 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=7d83318a7b173b6e76939344b3e41cb3 XMM03=4d20157667226ead904820d9ea94c8f6 XMM04=f40a0dbd2cfa3d378b6ef49d8e90fa57 XMM05=00000000000000000000000000000000 XMM06=4d0a0d762c223d378b48209d8e90c857 XMM07=672065736f6c635f6e6f69737365733a XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001cecb RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc82c01498 CR3=000000000ec86000 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=30353a353120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303135 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000