[ 39.246882] ------------[ cut here ]------------ [ 39.247777] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.249764] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.251183] Modules linked in: [ 39.251785] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.253983] Tainted: [W]=WARN [ 39.254647] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.256099] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.257005] 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 [ 39.260110] RSP: 0018:ffff88800bf07bc0 EFLAGS: 00010286 [ 39.261081] RAX: 0000000000000000 RBX: ffffed10017e0f78 RCX: ffffffff813a4050 [ 39.262326] RDX: ffff888013e71bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.263584] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10017e0f2f [ 39.264839] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.266103] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800bf07df8 [ 39.267366] FS: 00007f91a8f52900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.268780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.269818] CR2: 00007f91a9444580 CR3: 000000001c375000 CR4: 0000000000350ef0 [ 39.271073] Call Trace: [ 39.271572] [ 39.271973] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.272859] ? __create_object+0x59/0x80 [ 39.273628] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.274581] __vmalloc_noprof+0x59/0x60 [ 39.275326] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.276138] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.277075] bpf_prog_alloc+0x39/0x200 [ 39.277811] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.278717] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.279604] do_seccomp+0x349/0x25e0 [ 39.280312] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.281164] ? __pfx_do_seccomp+0x10/0x10 [ 39.281930] ? find_held_lock+0x2b/0x80 [ 39.282677] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.283629] ? static_key_count+0x60/0x80 [ 39.284416] prctl_set_seccomp+0x4e/0x70 [ 39.285140] __do_sys_prctl+0xe6c/0x1d70 [ 39.285903] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.286747] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.287689] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.288659] ? irqentry_exit+0xf3/0x650 [ 39.289412] do_syscall_64+0xbf/0x430 [ 39.290089] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.291023] RIP: 0033:0x7f91a94445cd [ 39.291716] 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 [ 39.294832] RSP: 002b:00007ffee29101e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.296168] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f91a94445cd [ 39.297425] RDX: 000055af31532e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.298696] RBP: 00007ffee2910240 R08: 0000000000000000 R09: 00007ffee290f8e0 [ 39.299947] R10: 0000000000000000 R11: 0000000000000246 R12: 000055af54390b10 [ 39.301227] R13: 00007ffee2910670 R14: 000055af543912b0 R15: 000055af543a56f0 [ 39.302327] [ 39.302682] irq event stamp: 1819 [ 39.303182] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 39.304460] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 39.305723] softirqs last enabled at (1462): [] handle_softirqs+0x50c/0x770 [ 39.306983] softirqs last disabled at (1453): [] __irq_exit_rcu+0xc4/0x100 [ 39.308228] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.848430] ------------[ cut here ]------------ [ 41.849375] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.851354] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.852806] Modules linked in: [ 41.853432] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.855624] Tainted: [W]=WARN [ 41.856182] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.857744] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.858645] 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 [ 41.861786] RSP: 0018:ffff888015bd7bc0 EFLAGS: 00010286 [ 41.862755] RAX: 0000000000000000 RBX: ffffed1002b7af78 RCX: ffffffff813a4050 [ 41.864025] RDX: ffff8880180c1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.865293] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b7af2f [ 41.866551] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.867805] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015bd7df8 [ 41.869117] FS: 00007f2033c41900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.870551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.871619] CR2: 00007f2034133580 CR3: 000000002011d000 CR4: 0000000000350ef0 [ 41.872914] Call Trace: [ 41.873424] [ 41.873834] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.874723] ? __create_object+0x59/0x80 [ 41.875504] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.876480] __vmalloc_noprof+0x59/0x60 [ 41.877243] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.878065] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.878986] bpf_prog_alloc+0x39/0x200 [ 41.879716] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.880646] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.881541] do_seccomp+0x349/0x25e0 [ 41.882200] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.883091] ? __pfx_do_seccomp+0x10/0x10 [ 41.883873] ? find_held_lock+0x2b/0x80 [ 41.884643] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.885593] ? static_key_count+0x60/0x80 [ 41.886372] prctl_set_seccomp+0x4e/0x70 [ 41.887090] __do_sys_prctl+0xe6c/0x1d70 [ 41.887866] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.888712] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.889679] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.890639] ? irqentry_exit+0xf3/0x650 [ 41.891399] do_syscall_64+0xbf/0x430 [ 41.892090] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.893035] RIP: 0033:0x7f20341335cd [ 41.893736] 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 [ 41.896852] RSP: 002b:00007ffc3bbe4f50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.898223] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f20341335cd [ 41.899496] RDX: 00005561a0a53e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.900773] RBP: 00007ffc3bbe4fb0 R08: 0000000000000000 R09: 00007ffc3bbe4650 [ 41.902046] R10: 0000000000000000 R11: 0000000000000246 R12: 00005561c1eecad0 [ 41.903329] R13: 00007ffc3bbe53e0 R14: 00005561c1eedbc0 R15: 00005561c1efe780 [ 41.904638] [ 41.905061] irq event stamp: 1853 [ 41.905639] hardirqs last enabled at (1863): [] __up_console_sem+0x78/0x80 [ 41.906889] hardirqs last disabled at (1872): [] __up_console_sem+0x5d/0x80 [ 41.908136] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 41.909412] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 41.910650] ---[ end trace 0000000000000000 ]--- [ 42.614301] ------------[ cut here ]------------ [ 42.615350] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.617699] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.620730] Modules linked in: [ 42.621560] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.623853] Tainted: [W]=WARN [ 42.624542] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.626269] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.627330] 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 [ 42.630991] RSP: 0018:ffff8880181e7bc0 EFLAGS: 00010286 [ 42.632127] RAX: 0000000000000000 RBX: ffffed100303cf78 RCX: ffffffff813a4050 [ 42.633634] RDX: ffff88800ef0d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.635121] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100303cf2f [ 42.636635] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.638113] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880181e7df8 [ 42.639599] FS: 00007f76908ae900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.641282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.642353] CR2: 00007ffd497d6ef8 CR3: 0000000020065000 CR4: 0000000000350ef0 [ 42.643607] Call Trace: [ 42.644062] [ 42.644506] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.645402] ? __create_object+0x59/0x80 [ 42.646118] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.647057] __vmalloc_noprof+0x59/0x60 [ 42.647794] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.648780] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.649291] bpf_prog_alloc+0x39/0x200 [ 42.649616] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.650012] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.650423] do_seccomp+0x349/0x25e0 [ 42.650734] ? find_held_lock+0x2b/0x80 [ 42.651057] ? do_prlimit+0x310/0x610 [ 42.651396] ? __pfx_do_seccomp+0x10/0x10 [ 42.651735] ? do_raw_spin_unlock+0x53/0x220 [ 42.652086] ? _raw_spin_unlock+0x1e/0x40 [ 42.652442] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.652873] ? static_key_count+0x60/0x80 [ 42.653239] prctl_set_seccomp+0x4e/0x70 [ 42.653568] __do_sys_prctl+0xe6c/0x1d70 [ 42.653905] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.654295] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.654711] ? irqentry_exit+0xf3/0x650 [ 42.655033] do_syscall_64+0xbf/0x430 [ 42.655371] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.655781] RIP: 0033:0x7f7690da05cd [ 42.656079] 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 [ 42.657518] RSP: 002b:00007ffd497d4330 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.658110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7690da05cd [ 42.658693] RDX: 000055df2f716e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.659274] RBP: 00007ffd497d4390 R08: 0000000000000000 R09: 00007ffd497d3a30 [ 42.659834] R10: 0000000000000000 R11: 0000000000000246 R12: 000055df641b9240 [ 42.660411] R13: 00007ffd497d47c0 R14: 000055df641c2380 R15: 000055df641cd540 [ 42.660982] [ 42.661171] irq event stamp: 2047 [ 42.661464] hardirqs last enabled at (2057): [] __up_console_sem+0x78/0x80 [ 42.662128] hardirqs last disabled at (2064): [] __up_console_sem+0x5d/0x80 [ 42.662810] softirqs last enabled at (1580): [] handle_softirqs+0x50c/0x770 [ 42.663510] softirqs last disabled at (1557): [] __irq_exit_rcu+0xc4/0x100 [ 42.664170] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:17320' (ECDSA) to the list of known hosts. 2025/11/18 09:28:39 fuzzer started 2025/11/18 09:28:39 dialing manager at localhost:34383 2025/11/18 09:28:39 checking machine... 2025/11/18 09:28:39 checking revisions... [ 43.645464] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:28:39 testing simple program... [ 43.734429] cgroup: Unknown subsys name 'net' [ 43.786779] cgroup: Unknown subsys name 'cpuset' [ 43.798433] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:28:38 Registers: info registers vcpu 0 RAX=00005561c1f06800 RBX=00007ffc3bbe4720 RCX=00007ffc3bbe46e0 RDX=0000000000000024 RSI=000000000000002c RDI=00007f20347eb060 RBP=00007ffc3bbe4850 RSP=fffffe0000002fd0 R8 =00005561c1f07810 R9 =00007ffc3bbe4750 R10=000000000000002c R11=0000000000000246 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81001280 RFL=00000006 [-----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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f2033c41900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005561c1f06bec CR3=00000000200b2000 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=6720646572637465733a4d41503d706f 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=000000000001b7df 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdbc3c3498 CR3=0000000009c31000 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=2038333a38323a393020383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038333a38323a3930203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000