[ 46.657018] ------------[ cut here ]------------ [ 46.657976] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.659978] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.661457] Modules linked in: [ 46.662080] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.664135] Tainted: [W]=WARN [ 46.664747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.666251] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.667186] 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 [ 46.670407] RSP: 0018:ffff888016657bc0 EFLAGS: 00010286 [ 46.671411] RAX: 0000000000000000 RBX: ffffed1002ccaf78 RCX: ffffffff813a4050 [ 46.672706] RDX: ffff88800f961bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.674037] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ccaf2f [ 46.675324] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.676628] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016657df8 [ 46.677912] FS: 00007faf2f4a4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.679386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.680489] CR2: 00007faf2f996580 CR3: 000000000e62a000 CR4: 0000000000350ef0 [ 46.681778] Call Trace: [ 46.682268] [ 46.682733] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.683656] ? __create_object+0x59/0x80 [ 46.684396] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.685361] __vmalloc_noprof+0x59/0x60 [ 46.686125] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.687004] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.687952] bpf_prog_alloc+0x39/0x200 [ 46.688702] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.689656] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.690577] do_seccomp+0x349/0x25e0 [ 46.691261] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.692175] ? __pfx_do_seccomp+0x10/0x10 [ 46.692994] ? find_held_lock+0x2b/0x80 [ 46.693765] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.694759] ? static_key_count+0x60/0x80 [ 46.695583] prctl_set_seccomp+0x4e/0x70 [ 46.696309] __do_sys_prctl+0xe6c/0x1d70 [ 46.697114] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.697986] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.698980] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.699979] ? irqentry_exit+0xf3/0x650 [ 46.700747] do_syscall_64+0xbf/0x430 [ 46.701451] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.702422] RIP: 0033:0x7faf2f9965cd [ 46.703134] 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 [ 46.706327] RSP: 002b:00007ffdc76c8850 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.707697] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faf2f9965cd [ 46.709035] RDX: 00005566af57ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.710349] RBP: 00007ffdc76c88b0 R08: 0000000000000000 R09: 00007ffdc76c7f50 [ 46.711653] R10: 0000000000000000 R11: 0000000000000246 R12: 00005566c0eb2ad0 [ 46.712950] R13: 00007ffdc76c8ce0 R14: 00005566c0eb3bc0 R15: 00005566c0ec4780 [ 46.714272] [ 46.714745] irq event stamp: 1723 [ 46.715364] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 46.716887] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 46.718421] softirqs last enabled at (1596): [] handle_softirqs+0x50c/0x770 [ 46.719998] softirqs last disabled at (1591): [] __irq_exit_rcu+0xc4/0x100 [ 46.721525] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.001517] ------------[ cut here ]------------ [ 50.002393] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.004304] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 50.005711] Modules linked in: [ 50.006289] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.008437] Tainted: [W]=WARN [ 50.009084] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.010507] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.011336] 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 [ 50.014379] RSP: 0018:ffff888019dd7bc0 EFLAGS: 00010286 [ 50.015318] RAX: 0000000000000000 RBX: ffffed10033baf78 RCX: ffffffff813a4050 [ 50.016556] RDX: ffff88800aa83780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.017792] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033baf2f [ 50.019033] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.020262] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019dd7df8 [ 50.021500] FS: 00007f40b25af900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.022886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.023904] CR2: 00007ffddcaa9ef7 CR3: 000000000deba000 CR4: 0000000000350ef0 [ 50.025130] Call Trace: [ 50.025603] [ 50.026005] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.026872] ? __create_object+0x59/0x80 [ 50.027624] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.028545] __vmalloc_noprof+0x59/0x60 [ 50.029222] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.030068] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.030976] bpf_prog_alloc+0x39/0x200 [ 50.031710] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.032628] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.033518] do_seccomp+0x349/0x25e0 [ 50.034193] ? find_held_lock+0x2b/0x80 [ 50.034955] ? do_prlimit+0x310/0x610 [ 50.035674] ? __pfx_do_seccomp+0x10/0x10 [ 50.036401] ? do_raw_spin_unlock+0x53/0x220 [ 50.037217] ? _raw_spin_unlock+0x1e/0x40 [ 50.037993] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.038945] ? static_key_count+0x60/0x80 [ 50.039733] prctl_set_seccomp+0x4e/0x70 [ 50.040459] __do_sys_prctl+0xe6c/0x1d70 [ 50.041240] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.042093] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.043044] ? irqentry_exit+0xf3/0x650 [ 50.043799] do_syscall_64+0xbf/0x430 [ 50.044535] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.045421] RIP: 0033:0x7f40b2aa15cd [ 50.046123] 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 [ 50.049247] RSP: 002b:00007ffddcaa8740 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.050592] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40b2aa15cd [ 50.051859] RDX: 0000563934b2fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.053106] RBP: 00007ffddcaa87a0 R08: 0000000000000000 R09: 00007ffddcaa7e40 [ 50.054384] R10: 0000000000000000 R11: 0000000000000246 R12: 000056394ba4dbf0 [ 50.055454] R13: 00007ffddcaa8bd0 R14: 000056394ba57380 R15: 000056394ba62460 [ 50.056517] [ 50.056859] irq event stamp: 1831 [ 50.057348] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 50.058561] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 50.059761] softirqs last enabled at (1454): [] handle_softirqs+0x50c/0x770 [ 50.060992] softirqs last disabled at (1449): [] __irq_exit_rcu+0xc4/0x100 [ 50.062215] ---[ end trace 0000000000000000 ]--- [ 50.874171] ------------[ cut here ]------------ [ 50.875129] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.877204] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.878941] Modules linked in: [ 50.879688] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.881736] Tainted: [W]=WARN [ 50.882314] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.883831] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.884781] 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 [ 50.888030] RSP: 0018:ffff8880175efbc0 EFLAGS: 00010286 [ 50.889043] RAX: 0000000000000000 RBX: ffffed1002ebdf78 RCX: ffffffff813a4050 [ 50.890368] RDX: ffff88801b560000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.891682] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ebdf2f [ 50.893011] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.894320] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880175efdf8 [ 50.895613] FS: 00007f2f6bbed900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.897101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.898200] CR2: 00007ffe9f787ef7 CR3: 000000000cfd4000 CR4: 0000000000350ef0 [ 50.899513] Call Trace: [ 50.900008] [ 50.900415] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.901346] ? __create_object+0x59/0x80 [ 50.902195] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.903293] __vmalloc_noprof+0x59/0x60 [ 50.904092] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.904994] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.905962] bpf_prog_alloc+0x39/0x200 [ 50.906758] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.907724] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.908645] do_seccomp+0x349/0x25e0 [ 50.909352] ? find_held_lock+0x2b/0x80 [ 50.910172] ? do_prlimit+0x310/0x610 [ 50.910947] ? __pfx_do_seccomp+0x10/0x10 [ 50.911761] ? do_raw_spin_unlock+0x53/0x220 [ 50.912606] ? _raw_spin_unlock+0x1e/0x40 [ 50.913370] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.914398] ? static_key_count+0x60/0x80 [ 50.915229] prctl_set_seccomp+0x4e/0x70 [ 50.916043] __do_sys_prctl+0xe6c/0x1d70 [ 50.916855] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.917754] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.918790] ? irqentry_exit+0xf3/0x650 [ 50.919560] do_syscall_64+0xbf/0x430 [ 50.920276] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.921256] RIP: 0033:0x7f2f6c0df5cd [ 50.922015] 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 [ 50.925257] RSP: 002b:00007ffe9f7859e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.926689] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2f6c0df5cd [ 50.927994] RDX: 000055b287427e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.929278] RBP: 00007ffe9f785a40 R08: 0000000000000000 R09: 00007ffe9f7850e0 [ 50.930599] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b2a425aad0 [ 50.931908] R13: 00007ffe9f785e70 R14: 000055b2a425bbc0 R15: 000055b2a426c780 [ 50.933218] [ 50.933690] irq event stamp: 1861 [ 50.934321] hardirqs last enabled at (1869): [] __up_console_sem+0x78/0x80 [ 50.935876] hardirqs last disabled at (1878): [] __up_console_sem+0x5d/0x80 [ 50.937668] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 50.939379] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 50.940714] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61759' (ECDSA) to the list of known hosts. 2025/11/18 10:49:39 fuzzer started 2025/11/18 10:49:39 dialing manager at localhost:34383 2025/11/18 10:49:39 checking machine... 2025/11/18 10:49:39 checking revisions... [ 51.855009] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:49:39 testing simple program... [ 51.950892] cgroup: Unknown subsys name 'net' [ 52.013815] cgroup: Unknown subsys name 'cpuset' [ 52.032908] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 10:49:38 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000001 RCX=ffff888009627794 RDX=0000000000000000 RSI=ffffffff81b2a2a4 RDI=ffff888009611fbc RBP=ffff888009627898 RSP=ffff8880096277d0 R8 =ffffffff86ab8458 R9 =ffff888009627880 R10=000000000003c9ed R11=00000000000255cb R12=0000000000000000 R13=ffff888009627888 R14=ffff888009611bc0 R15=ffff888009627840 RIP=ffffffff8135e49c 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffddcaa2000 CR3=000000000b93b000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000023007 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd4ec201000 CR3=000000000e315000 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=39343a303120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343938 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000