[ 39.236752] ------------[ cut here ]------------ [ 39.237691] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.239747] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.241202] Modules linked in: [ 39.241904] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.243920] Tainted: [W]=WARN [ 39.244472] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.245939] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.246866] 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 [ 39.250021] RSP: 0018:ffff88801a2afbc0 EFLAGS: 00010286 [ 39.251005] RAX: 0000000000000000 RBX: ffffed1003455f78 RCX: ffffffff813a4050 [ 39.252302] RDX: ffff88800fab0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.253615] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003455f2f [ 39.254875] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.256166] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a2afdf8 [ 39.257462] FS: 00007f7332135900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.258896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.259982] CR2: 00007f7332627580 CR3: 0000000014294000 CR4: 0000000000350ef0 [ 39.261253] Call Trace: [ 39.261763] [ 39.262176] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.263073] ? __create_object+0x59/0x80 [ 39.263876] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.264847] __vmalloc_noprof+0x59/0x60 [ 39.265563] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.266440] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.267366] bpf_prog_alloc+0x39/0x200 [ 39.268112] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.269034] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.269936] do_seccomp+0x349/0x25e0 [ 39.270661] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.271504] ? __pfx_do_seccomp+0x10/0x10 [ 39.272310] ? find_held_lock+0x2b/0x80 [ 39.273064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.274013] ? static_key_count+0x60/0x80 [ 39.274812] prctl_set_seccomp+0x4e/0x70 [ 39.275550] __do_sys_prctl+0xe6c/0x1d70 [ 39.276342] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.277196] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.278163] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.279127] ? irqentry_exit+0xf3/0x650 [ 39.279917] do_syscall_64+0xbf/0x430 [ 39.280650] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.281545] RIP: 0033:0x7f73326275cd [ 39.282242] 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 [ 39.285405] RSP: 002b:00007ffeb1571710 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.286754] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f73326275cd [ 39.288044] RDX: 0000555bab54ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.289316] RBP: 00007ffeb1571770 R08: 0000000000000000 R09: 00007ffeb1570e10 [ 39.290589] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555bb7217ad0 [ 39.291879] R13: 00007ffeb1571ba0 R14: 0000555bb7218bc0 R15: 0000555bb7229780 [ 39.293187] [ 39.293637] irq event stamp: 1765 [ 39.294233] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 39.295759] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 39.297262] softirqs last enabled at (1646): [] handle_softirqs+0x50c/0x770 [ 39.298786] softirqs last disabled at (1641): [] __irq_exit_rcu+0xc4/0x100 [ 39.300293] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.701118] ------------[ cut here ]------------ [ 41.702070] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.704090] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.705522] Modules linked in: [ 41.706138] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.708150] Tainted: [W]=WARN [ 41.708976] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.710542] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.711464] 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 [ 41.714685] RSP: 0018:ffff88800fa8fbc0 EFLAGS: 00010286 [ 41.715682] RAX: 0000000000000000 RBX: ffffed1001f51f78 RCX: ffffffff813a4050 [ 41.716984] RDX: ffff888014179bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.718273] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f51f2f [ 41.719555] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.720885] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800fa8fdf8 [ 41.722164] FS: 00007f05ee50a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.723640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.724712] CR2: 00007fffae76cef7 CR3: 000000000b71d000 CR4: 0000000000350ef0 [ 41.725996] Call Trace: [ 41.726463] [ 41.726918] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.727829] ? __create_object+0x59/0x80 [ 41.728575] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.729562] __vmalloc_noprof+0x59/0x60 [ 41.730318] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.731207] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.732165] bpf_prog_alloc+0x39/0x200 [ 41.732905] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.733854] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.734775] do_seccomp+0x349/0x25e0 [ 41.735452] ? find_held_lock+0x2b/0x80 [ 41.736223] ? do_prlimit+0x310/0x610 [ 41.736967] ? __pfx_do_seccomp+0x10/0x10 [ 41.737746] ? do_raw_spin_unlock+0x53/0x220 [ 41.738533] ? _raw_spin_unlock+0x1e/0x40 [ 41.739318] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.740304] ? static_key_count+0x60/0x80 [ 41.741106] prctl_set_seccomp+0x4e/0x70 [ 41.741886] __do_sys_prctl+0xe6c/0x1d70 [ 41.742676] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.743487] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.744458] ? irqentry_exit+0xf3/0x650 [ 41.745218] do_syscall_64+0xbf/0x430 [ 41.745956] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.746905] RIP: 0033:0x7f05ee9fc5cd [ 41.747586] 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 [ 41.750777] RSP: 002b:00007fffae76aed0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.752154] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f05ee9fc5cd [ 41.753430] RDX: 000055dacf88fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.754701] RBP: 00007fffae76af30 R08: 0000000000000000 R09: 00007fffae76a5d0 [ 41.755994] R10: 0000000000000000 R11: 0000000000000246 R12: 000055daf3d61bf0 [ 41.757269] R13: 00007fffae76b360 R14: 000055daf3d6b380 R15: 000055daf3d76460 [ 41.758570] [ 41.759036] irq event stamp: 1835 [ 41.759695] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 41.760962] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 41.762223] softirqs last enabled at (1388): [] handle_softirqs+0x50c/0x770 [ 41.763496] softirqs last disabled at (1383): [] __irq_exit_rcu+0xc4/0x100 [ 41.764793] ---[ end trace 0000000000000000 ]--- [ 42.460158] ------------[ cut here ]------------ [ 42.461082] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.463089] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.464573] Modules linked in: [ 42.465212] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.467235] Tainted: [W]=WARN [ 42.467858] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.469334] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.470263] 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 [ 42.473440] RSP: 0018:ffff88801aebfbc0 EFLAGS: 00010286 [ 42.474415] RAX: 0000000000000000 RBX: ffffed10035d7f78 RCX: ffffffff813a4050 [ 42.475715] RDX: ffff88801a063780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.477003] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035d7f2f [ 42.478295] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.479573] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801aebfdf8 [ 42.480879] FS: 00007f4dd57ce900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.482323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.483389] CR2: 00007ffd9ea81ef7 CR3: 000000000c1bb000 CR4: 0000000000350ef0 [ 42.484680] Call Trace: [ 42.485143] [ 42.485550] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.486450] ? __create_object+0x59/0x80 [ 42.487237] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.488225] __vmalloc_noprof+0x59/0x60 [ 42.488993] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.489863] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.490794] bpf_prog_alloc+0x39/0x200 [ 42.491480] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.492422] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.493328] do_seccomp+0x349/0x25e0 [ 42.494035] ? find_held_lock+0x2b/0x80 [ 42.494798] ? do_prlimit+0x310/0x610 [ 42.495497] ? __pfx_do_seccomp+0x10/0x10 [ 42.496296] ? do_raw_spin_unlock+0x53/0x220 [ 42.497137] ? _raw_spin_unlock+0x1e/0x40 [ 42.497912] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.498881] ? static_key_count+0x60/0x80 [ 42.499706] prctl_set_seccomp+0x4e/0x70 [ 42.500435] __do_sys_prctl+0xe6c/0x1d70 [ 42.501215] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.502071] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.503056] ? irqentry_exit+0xf3/0x650 [ 42.503843] do_syscall_64+0xbf/0x430 [ 42.504536] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.505484] RIP: 0033:0x7f4dd5cc05cd [ 42.506183] 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 [ 42.509370] RSP: 002b:00007ffd9ea7f450 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.510731] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4dd5cc05cd [ 42.512037] RDX: 0000560d234a5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.513319] RBP: 00007ffd9ea7f4b0 R08: 0000000000000000 R09: 00007ffd9ea7eb50 [ 42.514613] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560d5c7ea2b0 [ 42.515909] R13: 00007ffd9ea7f8e0 R14: 0000560d5c7ecd20 R15: 0000560d5c7fe8d0 [ 42.517217] [ 42.517670] irq event stamp: 1801 [ 42.518284] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 42.519824] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 42.521359] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 42.522905] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 42.524350] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:20217' (ECDSA) to the list of known hosts. 2025/11/18 09:53:52 fuzzer started 2025/11/18 09:53:52 dialing manager at localhost:34383 2025/11/18 09:53:52 checking machine... 2025/11/18 09:53:52 checking revisions... [ 43.386915] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:53:52 testing simple program... [ 43.468746] cgroup: Unknown subsys name 'net' [ 43.551517] cgroup: Unknown subsys name 'cpuset' [ 43.565784] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:53:51 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=0000000000000200 RCX=ffffffff87d1ba08 RDX=0000000000000008 RSI=ffff888015f15dc0 RDI=ffff888015f15340 RBP=ffff888015f15340 RSP=ffff88801a2cefc0 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000001 R14=ffff888015f15dc0 R15=0000000000000004 RIP=ffffffff81526594 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 00007f05ee50a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffae765000 CR3=0000000020294000 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=00000000000251a1 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 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd2ad8f638 CR3=000000000bf90000 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=e7eb20397acb9094634a5c39a3e5df81 XMM02=ec2efd57dc4c00df0000000000306420 XMM03=8035dd37173368eb00000000003064f0 XMM04=88a7bb53630d897e00000000000ae988 XMM05=090f1556b20111b3000000000031f638 XMM06=5b75c91c80445342000000000031f4c0 XMM07=e042d86d42eb936e0000000000310140 XMM08=8035dd37173368eb00000000003064f0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000