[ 38.823749] ------------[ cut here ]------------ [ 38.824682] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.826782] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.828277] Modules linked in: [ 38.828871] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.830868] Tainted: [W]=WARN [ 38.831473] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.832955] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.833865] 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 [ 38.837066] RSP: 0018:ffff88801981fbc0 EFLAGS: 00010286 [ 38.838042] RAX: 0000000000000000 RBX: ffffed1003303f78 RCX: ffffffff813a4050 [ 38.839343] RDX: ffff88800f485340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.840626] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003303f2f [ 38.841898] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.843189] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801981fdf8 [ 38.844448] FS: 00007f09ebf09900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.845868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.846942] CR2: 00007ffee38bbef8 CR3: 000000000e9d4000 CR4: 0000000000350ef0 [ 38.848228] Call Trace: [ 38.848686] [ 38.849107] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.850018] ? __create_object+0x59/0x80 [ 38.850826] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.851809] __vmalloc_noprof+0x59/0x60 [ 38.852581] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.853471] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.854430] bpf_prog_alloc+0x39/0x200 [ 38.855177] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.856067] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.856978] do_seccomp+0x349/0x25e0 [ 38.857703] ? find_held_lock+0x2b/0x80 [ 38.858490] ? do_prlimit+0x310/0x610 [ 38.859245] ? __pfx_do_seccomp+0x10/0x10 [ 38.859992] ? do_raw_spin_unlock+0x53/0x220 [ 38.860836] ? _raw_spin_unlock+0x1e/0x40 [ 38.861631] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.862619] ? static_key_count+0x60/0x80 [ 38.863436] prctl_set_seccomp+0x4e/0x70 [ 38.864224] __do_sys_prctl+0xe6c/0x1d70 [ 38.864970] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.865838] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.866828] ? irqentry_exit+0xf3/0x650 [ 38.867612] do_syscall_64+0xbf/0x430 [ 38.868367] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.869332] RIP: 0033:0x7f09ec3fb5cd [ 38.869998] 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 [ 38.872931] RSP: 002b:00007ffee38b9330 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.874086] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f09ec3fb5cd [ 38.875204] RDX: 0000560238d29e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.876301] RBP: 00007ffee38b9390 R08: 0000000000000000 R09: 00007ffee38b8a30 [ 38.877389] R10: 0000000000000000 R11: 0000000000000246 R12: 000056026fe34ad0 [ 38.878486] R13: 00007ffee38b97c0 R14: 000056026fe35bc0 R15: 000056026fe46780 [ 38.879590] [ 38.879948] irq event stamp: 1743 [ 38.880502] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 38.881794] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 38.883089] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 38.884420] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 38.885704] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.004458] ------------[ cut here ]------------ [ 42.005454] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.007622] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.009215] Modules linked in: [ 42.009837] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.011898] Tainted: [W]=WARN [ 42.012516] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.014063] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.014998] 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 [ 42.018346] RSP: 0018:ffff8880175b7bc0 EFLAGS: 00010286 [ 42.019368] RAX: 0000000000000000 RBX: ffffed1002eb6f78 RCX: ffffffff813a4050 [ 42.020719] RDX: ffff888016e28000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.022047] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb6f2f [ 42.023413] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.024741] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880175b7df8 [ 42.026094] FS: 00007fb328f71900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.027610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.028743] CR2: 00007fb329463580 CR3: 000000000d5ea000 CR4: 0000000000350ef0 [ 42.030079] Call Trace: [ 42.030635] [ 42.031058] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.032005] ? __create_object+0x59/0x80 [ 42.032819] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.033836] __vmalloc_noprof+0x59/0x60 [ 42.034633] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.035553] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.036509] bpf_prog_alloc+0x39/0x200 [ 42.037264] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.038242] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.039181] do_seccomp+0x349/0x25e0 [ 42.039888] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.040829] ? __pfx_do_seccomp+0x10/0x10 [ 42.041638] ? find_held_lock+0x2b/0x80 [ 42.042443] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.043461] ? static_key_count+0x60/0x80 [ 42.044291] prctl_set_seccomp+0x4e/0x70 [ 42.045063] __do_sys_prctl+0xe6c/0x1d70 [ 42.045864] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.046776] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.047774] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.048795] ? irqentry_exit+0xf3/0x650 [ 42.049581] do_syscall_64+0xbf/0x430 [ 42.050345] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.051352] RIP: 0033:0x7fb3294635cd [ 42.052025] 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 [ 42.055386] RSP: 002b:00007ffde54e1bd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.056804] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3294635cd [ 42.058162] RDX: 000056123b438e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.059503] RBP: 00007ffde54e1c30 R08: 0000000000000000 R09: 00007ffde54e12d0 [ 42.060858] R10: 0000000000000000 R11: 0000000000000246 R12: 000056125d1132b0 [ 42.062192] R13: 00007ffde54e2060 R14: 000056125d115d20 R15: 000056125d1278d0 [ 42.063578] [ 42.064010] irq event stamp: 1761 [ 42.064677] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 42.066282] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 42.067818] softirqs last enabled at (1432): [] handle_softirqs+0x50c/0x770 [ 42.069190] softirqs last disabled at (1427): [] __irq_exit_rcu+0xc4/0x100 [ 42.070538] ---[ end trace 0000000000000000 ]--- [ 42.773496] ------------[ cut here ]------------ [ 42.774455] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.776585] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.778083] Modules linked in: [ 42.778759] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.781050] Tainted: [W]=WARN [ 42.781729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.783275] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.784236] 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 [ 42.787577] RSP: 0018:ffff888016f5fbc0 EFLAGS: 00010286 [ 42.788605] RAX: 0000000000000000 RBX: ffffed1002debf78 RCX: ffffffff813a4050 [ 42.789940] RDX: ffff888017d68000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.791300] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002debf2f [ 42.792618] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.793973] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f5fdf8 [ 42.795320] FS: 00007fc2506c2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.796845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.797937] CR2: 00007fc250bb4580 CR3: 000000000c185000 CR4: 0000000000350ef0 [ 42.799311] Call Trace: [ 42.799782] [ 42.800248] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.801193] ? __create_object+0x59/0x80 [ 42.801963] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.802999] __vmalloc_noprof+0x59/0x60 [ 42.803775] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.804683] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.805655] bpf_prog_alloc+0x39/0x200 [ 42.806418] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.807401] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.808323] do_seccomp+0x349/0x25e0 [ 42.809032] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.809978] ? __pfx_do_seccomp+0x10/0x10 [ 42.810788] ? find_held_lock+0x2b/0x80 [ 42.811571] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.812558] ? static_key_count+0x60/0x80 [ 42.813401] prctl_set_seccomp+0x4e/0x70 [ 42.814191] __do_sys_prctl+0xe6c/0x1d70 [ 42.814982] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.815882] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.816867] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.817890] ? irqentry_exit+0xf3/0x650 [ 42.818685] do_syscall_64+0xbf/0x430 [ 42.819465] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.820441] RIP: 0033:0x7fc250bb45cd [ 42.821186] 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 [ 42.824531] RSP: 002b:00007ffdc2d354f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.825975] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc250bb45cd [ 42.827350] RDX: 00005606798aae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.828704] RBP: 00007ffdc2d35550 R08: 0000000000000000 R09: 00007ffdc2d34bf0 [ 42.830030] R10: 0000000000000000 R11: 0000000000000246 R12: 00005606b28412b0 [ 42.831321] R13: 00007ffdc2d35980 R14: 00005606b2843d20 R15: 00005606b28558d0 [ 42.832448] [ 42.832825] irq event stamp: 1819 [ 42.833403] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 42.834724] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 42.836098] softirqs last enabled at (1450): [] handle_softirqs+0x50c/0x770 [ 42.837496] softirqs last disabled at (1445): [] __irq_exit_rcu+0xc4/0x100 [ 42.838868] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40950' (ECDSA) to the list of known hosts. 2025/11/17 16:35:58 fuzzer started 2025/11/17 16:35:59 dialing manager at localhost:37895 2025/11/17 16:35:59 checking machine... 2025/11/17 16:35:59 checking revisions... [ 43.633093] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:35:59 testing simple program... [ 43.708339] cgroup: Unknown subsys name 'net' [ 43.759529] cgroup: Unknown subsys name 'cpuset' [ 43.769800] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:35:58 Registers: info registers vcpu 0 RAX=0000000000000007 RBX=0000000000000007 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff8880194e804c RBP=ffff88800a1a4f00 RSP=ffff8880198dfbe8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff8880194e8000 R13=fffffbfff0cca012 R14=1ffff110014349e2 R15=dffffc0000000000 RIP=ffffffff815bd570 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 00007fb328f71900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffde54db000 CR3=0000000009859000 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=563412feff00545000000000000080fe 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=000000000002382b 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=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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffb199bd48 CR3=0000000005c8a000 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=00007ff72af47510000055c4029e1790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000