[ 38.867639] ------------[ cut here ]------------ [ 38.868553] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.870563] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.871971] Modules linked in: [ 38.872562] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.875981] Tainted: [W]=WARN [ 38.876539] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.878075] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.878987] 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 [ 38.882123] RSP: 0018:ffff888016fafbc0 EFLAGS: 00010286 [ 38.883096] RAX: 0000000000000000 RBX: ffffed1002df5f78 RCX: ffffffff813a4050 [ 38.884372] RDX: ffff888015b40000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.885640] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df5f2f [ 38.886928] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.888192] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016fafdf8 [ 38.889479] FS: 00007f19aa21e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.890907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.891989] CR2: 00007ffea08a3ef8 CR3: 000000000ce7c000 CR4: 0000000000350ef0 [ 38.893266] Call Trace: [ 38.893733] [ 38.894187] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.895080] ? __create_object+0x59/0x80 [ 38.895855] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.896754] __vmalloc_noprof+0x59/0x60 [ 38.897506] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.898369] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.899298] bpf_prog_alloc+0x39/0x200 [ 38.900043] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.900972] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.901863] do_seccomp+0x349/0x25e0 [ 38.902538] ? find_held_lock+0x2b/0x80 [ 38.903302] ? do_prlimit+0x310/0x610 [ 38.904038] ? __pfx_do_seccomp+0x10/0x10 [ 38.904775] ? do_raw_spin_unlock+0x53/0x220 [ 38.905594] ? _raw_spin_unlock+0x1e/0x40 [ 38.906351] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.907322] ? static_key_count+0x60/0x80 [ 38.908111] prctl_set_seccomp+0x4e/0x70 [ 38.908875] __do_sys_prctl+0xe6c/0x1d70 [ 38.909595] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.910463] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.911412] ? irqentry_exit+0xf3/0x650 [ 38.912166] do_syscall_64+0xbf/0x430 [ 38.912909] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.913847] RIP: 0033:0x7f19aa7105cd [ 38.914517] 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 [ 38.917661] RSP: 002b:00007ffea08a2990 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.919027] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19aa7105cd [ 38.920309] RDX: 000055a1ecf77e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.921590] RBP: 00007ffea08a29f0 R08: 0000000000000000 R09: 00007ffea08a2090 [ 38.922836] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a21967e2b0 [ 38.923616] R13: 00007ffea08a2e20 R14: 000055a219680d20 R15: 000055a2196928d0 [ 38.924434] [ 38.924700] irq event stamp: 2163 [ 38.925107] hardirqs last enabled at (2173): [] __up_console_sem+0x78/0x80 [ 38.926066] hardirqs last disabled at (2182): [] __up_console_sem+0x5d/0x80 [ 38.927021] softirqs last enabled at (2104): [] handle_softirqs+0x50c/0x770 [ 38.927702] softirqs last disabled at (2099): [] __irq_exit_rcu+0xc4/0x100 [ 38.928391] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.169592] ------------[ cut here ]------------ [ 41.170549] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.172613] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.174089] Modules linked in: [ 41.174697] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.176741] Tainted: [W]=WARN [ 41.177356] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.178864] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.179745] 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 [ 41.182968] RSP: 0018:ffff888016b77bc0 EFLAGS: 00010286 [ 41.183947] RAX: 0000000000000000 RBX: ffffed1002d6ef78 RCX: ffffffff813a4050 [ 41.185248] RDX: ffff888015869bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.186558] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d6ef2f [ 41.187859] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.189172] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b77df8 [ 41.190496] FS: 00007fb28e729900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.191964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.193036] CR2: 00007ffde9d7def8 CR3: 000000000bc85000 CR4: 0000000000350ef0 [ 41.194339] Call Trace: [ 41.194865] [ 41.195285] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.196202] ? __create_object+0x59/0x80 [ 41.197003] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.197997] __vmalloc_noprof+0x59/0x60 [ 41.198730] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.199623] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.200567] bpf_prog_alloc+0x39/0x200 [ 41.201319] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.202273] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.203169] do_seccomp+0x349/0x25e0 [ 41.203906] ? find_held_lock+0x2b/0x80 [ 41.204636] ? do_prlimit+0x310/0x610 [ 41.205430] ? __pfx_do_seccomp+0x10/0x10 [ 41.206227] ? do_raw_spin_unlock+0x53/0x220 [ 41.207085] ? _raw_spin_unlock+0x1e/0x40 [ 41.207884] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.208871] ? static_key_count+0x60/0x80 [ 41.209638] prctl_set_seccomp+0x4e/0x70 [ 41.210447] __do_sys_prctl+0xe6c/0x1d70 [ 41.211235] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.212112] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.213099] ? irqentry_exit+0xf3/0x650 [ 41.213863] do_syscall_64+0xbf/0x430 [ 41.214582] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.215552] RIP: 0033:0x7fb28ec1b5cd [ 41.216273] 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 [ 41.219515] RSP: 002b:00007ffde9d7bb00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.220903] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb28ec1b5cd [ 41.222207] RDX: 000055e29ca6ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.223536] RBP: 00007ffde9d7bb60 R08: 0000000000000000 R09: 00007ffde9d7b200 [ 41.224839] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e2b4ef92b0 [ 41.226150] R13: 00007ffde9d7bf90 R14: 000055e2b4efbd20 R15: 000055e2b4f0d8d0 [ 41.227485] [ 41.227951] irq event stamp: 1793 [ 41.228566] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 41.230106] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 41.231479] softirqs last enabled at (1636): [] handle_softirqs+0x50c/0x770 [ 41.232505] softirqs last disabled at (1631): [] __irq_exit_rcu+0xc4/0x100 [ 41.233506] ---[ end trace 0000000000000000 ]--- [ 41.981689] ------------[ cut here ]------------ [ 41.982624] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.984501] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 41.985671] Modules linked in: [ 41.986644] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.988486] Tainted: [W]=WARN [ 41.989029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.990261] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.991032] 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 [ 41.993629] RSP: 0018:ffff88801729fbc0 EFLAGS: 00010286 [ 41.994443] RAX: 0000000000000000 RBX: ffffed1002e53f78 RCX: ffffffff813a4050 [ 41.995497] RDX: ffff88800a3e5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.996571] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e53f2f [ 41.997641] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.998713] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801729fdf8 [ 41.999777] FS: 00007f8fcc784900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.001003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.001884] CR2: 00007f8fccc76580 CR3: 000000001d416000 CR4: 0000000000350ef0 [ 42.002956] Call Trace: [ 42.003349] [ 42.003693] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.004454] ? __create_object+0x59/0x80 [ 42.005115] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.005941] __vmalloc_noprof+0x59/0x60 [ 42.006551] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.007298] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.008088] bpf_prog_alloc+0x39/0x200 [ 42.008676] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.009462] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.010221] do_seccomp+0x349/0x25e0 [ 42.010833] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.011553] ? __pfx_do_seccomp+0x10/0x10 [ 42.012228] ? find_held_lock+0x2b/0x80 [ 42.012861] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.013633] ? static_key_count+0x60/0x80 [ 42.014315] prctl_set_seccomp+0x4e/0x70 [ 42.014975] __do_sys_prctl+0xe6c/0x1d70 [ 42.015593] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.016317] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.017138] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.017960] ? irqentry_exit+0xf3/0x650 [ 42.018574] do_syscall_64+0xbf/0x430 [ 42.019200] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.019992] RIP: 0033:0x7f8fccc765cd [ 42.020543] 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 [ 42.023247] RSP: 002b:00007fff4717ed00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.024404] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8fccc765cd [ 42.025491] RDX: 000055bbe5616e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.026583] RBP: 00007fff4717ed60 R08: 0000000000000000 R09: 00007fff4717e400 [ 42.027670] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bc0bd9a2b0 [ 42.028751] R13: 00007fff4717f190 R14: 000055bc0bd9cd20 R15: 000055bc0bdae8d0 [ 42.029847] [ 42.030204] irq event stamp: 1817 [ 42.030735] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 42.032082] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 42.033422] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 42.034811] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 42.036137] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37273' (ECDSA) to the list of known hosts. 2025/11/18 13:07:10 fuzzer started 2025/11/18 13:07:11 dialing manager at localhost:34383 2025/11/18 13:07:11 checking machine... 2025/11/18 13:07:11 checking revisions... [ 42.970636] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:07:11 testing simple program... [ 43.068132] cgroup: Unknown subsys name 'net' [ 43.152581] cgroup: Unknown subsys name 'cpuset' [ 43.182710] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:07:10 Registers: info registers vcpu 0 RAX=1ffffffff0ce3fce RBX=ffffffff8671fe70 RCX=ffffffff81ab65ee RDX=0000000000000000 RSI=ffffffff86aaf6be RDI=ffffffff8671fe70 RBP=ffffffff8671fe70 RSP=ffff88806ce089b8 R8 =ffffffff86aaf6be R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023e35 R12=ffffffff8671fe70 R13=ffffffff8671fe70 R14=ffffffff8671fe70 R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000212 [----A--] 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 00007fb28e729900 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=00007ffde9d75000 CR3=000000001fcb3000 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=0000000000000005 RBX=ffff888015b45340 RCX=0000000000000000 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888015b45d98 RSP=ffff8880188873b8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888015b45d98 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527119 RFL=00000007 [-----PC] 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 00007fb28e729900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc6daa2e48 CR3=000000001fcb3000 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