[ 46.013934] ------------[ cut here ]------------ [ 46.014900] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.017305] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.018787] Modules linked in: [ 46.019397] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.021419] Tainted: [W]=WARN [ 46.022039] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.023576] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.024521] 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 [ 46.027846] RSP: 0018:ffff88800cb4fbc0 EFLAGS: 00010286 [ 46.028861] RAX: 0000000000000000 RBX: ffffed1001969f78 RCX: ffffffff813a4050 [ 46.030186] RDX: ffff888018a40000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.031526] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001969f2f [ 46.032846] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.034174] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800cb4fdf8 [ 46.035519] FS: 00007fe899d6c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.037002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.038096] CR2: 00007fe89a2d24a6 CR3: 000000000ebd1000 CR4: 0000000000350ef0 [ 46.039440] Call Trace: [ 46.039960] [ 46.040386] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.041324] ? __create_object+0x59/0x80 [ 46.042142] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.043176] __vmalloc_noprof+0x59/0x60 [ 46.043967] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.044880] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.045851] bpf_prog_alloc+0x39/0x200 [ 46.046622] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.047611] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.048553] do_seccomp+0x349/0x25e0 [ 46.049254] ? find_held_lock+0x2b/0x80 [ 46.050044] ? do_prlimit+0x310/0x610 [ 46.050827] ? __pfx_do_seccomp+0x10/0x10 [ 46.051665] ? do_raw_spin_unlock+0x53/0x220 [ 46.052535] ? _raw_spin_unlock+0x1e/0x40 [ 46.053299] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.054304] ? static_key_count+0x60/0x80 [ 46.055148] prctl_set_seccomp+0x4e/0x70 [ 46.055958] __do_sys_prctl+0xe6c/0x1d70 [ 46.056776] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.057672] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.058675] ? irqentry_exit+0xf3/0x650 [ 46.059432] do_syscall_64+0xbf/0x430 [ 46.060217] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.061207] RIP: 0033:0x7fe89a25e5cd [ 46.061942] 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 [ 46.064577] RSP: 002b:00007fff23661070 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.065424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe89a25e5cd [ 46.066250] RDX: 000055f30ef4ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.067102] RBP: 00007fff236610d0 R08: 0000000000000000 R09: 00007fff23660770 [ 46.067861] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f338ac3b10 [ 46.068549] R13: 00007fff23661500 R14: 000055f338ac42b0 R15: 000055f338ad86f0 [ 46.069223] [ 46.069449] irq event stamp: 1741 [ 46.069812] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 46.070636] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 46.071433] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 46.072274] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 46.073103] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 48.743924] ------------[ cut here ]------------ [ 48.744922] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.747155] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 48.748753] Modules linked in: [ 48.749399] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.751810] Tainted: [W]=WARN [ 48.752416] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.754094] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.755112] 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 [ 48.758569] RSP: 0018:ffff888016e57bc0 EFLAGS: 00010286 [ 48.759650] RAX: 0000000000000000 RBX: ffffed1002dcaf78 RCX: ffffffff813a4050 [ 48.761056] RDX: ffff888015eb5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.762488] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dcaf2f [ 48.763905] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.765303] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e57df8 [ 48.766701] FS: 00007fdb830df900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.768288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.769444] CR2: 00007ffd4bd83ef8 CR3: 00000000209f9000 CR4: 0000000000350ef0 [ 48.770860] Call Trace: [ 48.771380] [ 48.771884] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.772862] ? __create_object+0x59/0x80 [ 48.773722] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.774778] __vmalloc_noprof+0x59/0x60 [ 48.775627] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.776583] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.777596] bpf_prog_alloc+0x39/0x200 [ 48.778358] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.779381] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.780350] do_seccomp+0x349/0x25e0 [ 48.781138] ? find_held_lock+0x2b/0x80 [ 48.781980] ? do_prlimit+0x310/0x610 [ 48.782789] ? __pfx_do_seccomp+0x10/0x10 [ 48.783671] ? do_raw_spin_unlock+0x53/0x220 [ 48.784584] ? _raw_spin_unlock+0x1e/0x40 [ 48.785393] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.786443] ? static_key_count+0x60/0x80 [ 48.787311] prctl_set_seccomp+0x4e/0x70 [ 48.788164] __do_sys_prctl+0xe6c/0x1d70 [ 48.789023] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.789962] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.791039] ? irqentry_exit+0xf3/0x650 [ 48.791865] do_syscall_64+0xbf/0x430 [ 48.792672] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.793711] RIP: 0033:0x7fdb835d15cd [ 48.794431] 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 [ 48.797949] RSP: 002b:00007ffd4bd81640 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.799486] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdb835d15cd [ 48.800885] RDX: 0000555810a0de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.802295] RBP: 00007ffd4bd816a0 R08: 0000000000000000 R09: 00007ffd4bd80d40 [ 48.803727] R10: 0000000000000000 R11: 0000000000000246 R12: 000055582bc94bf0 [ 48.805122] R13: 00007ffd4bd81ad0 R14: 000055582bc9e380 R15: 000055582bca9460 [ 48.806542] [ 48.807016] irq event stamp: 1817 [ 48.807731] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 48.809399] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 48.811081] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 48.812608] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 48.814022] ---[ end trace 0000000000000000 ]--- [ 49.639437] ------------[ cut here ]------------ [ 49.640453] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.642745] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 49.644604] Modules linked in: [ 49.645254] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.647522] Tainted: [W]=WARN [ 49.648136] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.649731] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.650725] 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 [ 49.654194] RSP: 0018:ffff8880176d7bc0 EFLAGS: 00010286 [ 49.655274] RAX: 0000000000000000 RBX: ffffed1002edaf78 RCX: ffffffff813a4050 [ 49.656676] RDX: ffff888017850000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.658074] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002edaf2f [ 49.659487] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.660895] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176d7df8 [ 49.662289] FS: 00007f9fe44b3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.663870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.665030] CR2: 00007f9fe49a5580 CR3: 0000000009ebc000 CR4: 0000000000350ef0 [ 49.666429] Call Trace: [ 49.667000] [ 49.667449] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.668415] ? __create_object+0x59/0x80 [ 49.669275] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.670327] __vmalloc_noprof+0x59/0x60 [ 49.671171] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.672117] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.673136] bpf_prog_alloc+0x39/0x200 [ 49.673944] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.674973] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.675952] do_seccomp+0x349/0x25e0 [ 49.676736] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.677708] ? __pfx_do_seccomp+0x10/0x10 [ 49.678574] ? find_held_lock+0x2b/0x80 [ 49.679367] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.680411] ? static_key_count+0x60/0x80 [ 49.681265] prctl_set_seccomp+0x4e/0x70 [ 49.682113] __do_sys_prctl+0xe6c/0x1d70 [ 49.682983] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.683909] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.684958] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.686023] ? irqentry_exit+0xf3/0x650 [ 49.686855] do_syscall_64+0xbf/0x430 [ 49.687657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.688695] RIP: 0033:0x7f9fe49a55cd [ 49.689411] 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 [ 49.692885] RSP: 002b:00007fffa75598d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.694375] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9fe49a55cd [ 49.695791] RDX: 00005584a159be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.697185] RBP: 00007fffa7559930 R08: 0000000000000000 R09: 00007fffa7558fd0 [ 49.698585] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584af8d22b0 [ 49.699981] R13: 00007fffa7559d60 R14: 00005584af8d4d20 R15: 00005584af8e68d0 [ 49.701398] [ 49.701895] irq event stamp: 1777 [ 49.702592] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 49.704263] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 49.705922] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 49.707587] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 49.708990] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23822' (ECDSA) to the list of known hosts. 2025/11/18 06:27:49 fuzzer started 2025/11/18 06:27:49 dialing manager at localhost:37895 2025/11/18 06:27:49 checking machine... 2025/11/18 06:27:49 checking revisions... [ 50.655974] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:27:49 testing simple program... [ 50.737356] cgroup: Unknown subsys name 'net' [ 50.806613] cgroup: Unknown subsys name 'cpuset' [ 50.824128] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:27:48 Registers: info registers vcpu 0 RAX=ffffffff81a7f44a RBX=ffffffff81618fa0 RCX=ffff88800e607314 RDX=1ffff11001cc0e83 RSI=ffffffff81a7f44a RDI=ffff88800e607488 RBP=ffff88800e607458 RSP=ffff88800e6073b8 R8 =0000000000000001 R9 =ffff88800e607400 R10=000000000003c9ed R11=0000000000022f7c R12=ffff88800e607488 R13=0000000000000000 R14=ffff888015edd340 R15=ffff88800944c280 RIP=ffffffff81618fa4 RFL=00000282 [--S----] 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 00007fdb830df900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdb830ae008 CR3=00000000209a3000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff81b2a134 RBX=ffffffff81618fa0 RCX=ffff88806cf089c4 RDX=1ffff1100d9e1159 RSI=ffffffff81b2a134 RDI=ffff88806cf08b38 RBP=ffff88806cf08b08 RSP=ffff88806cf08a68 R8 =ffffffff86ab82c2 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=00000000000255cb R12=ffff88806cf08b38 R13=0000000000000000 R14=ffff888009643780 R15=ffff888008c4b780 RIP=ffffffff81618fa4 RFL=00000282 [--S----] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9509e14000 CR3=000000000dd2c000 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=f73196bca4ba4db14741ae5fc22c1f1d XMM02=0000000000301d88ec2efd57dc4c00df XMM03=000000000030ddf8be619a267d171339 XMM04=ff36a17049b37b1500000000000ae988 XMM05=1b079edff79da6a6000000000031e660 XMM06=d74844bf967d85ba000000000031ddd0 XMM07=e042d86d42eb936e000000000030e078 XMM08=be619a267d1713390000000000301de8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000