[ 39.008821] ------------[ cut here ]------------ [ 39.009665] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.011573] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.012973] Modules linked in: [ 39.013532] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.015660] Tainted: [W]=WARN [ 39.016324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.017743] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.018623] 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 [ 39.021649] RSP: 0018:ffff8880169dfbc0 EFLAGS: 00010286 [ 39.022586] RAX: 0000000000000000 RBX: ffffed1002d3bf78 RCX: ffffffff813a4050 [ 39.023819] RDX: ffff888019299bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.025056] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d3bf2f [ 39.026288] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.027521] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169dfdf8 [ 39.028790] FS: 00007f6f018e8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.030171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.031190] CR2: 00007ffdd54c2ef8 CR3: 000000000a1b3000 CR4: 0000000000350ef0 [ 39.032448] Call Trace: [ 39.032944] [ 39.033340] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.034211] ? __create_object+0x59/0x80 [ 39.034964] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.035890] __vmalloc_noprof+0x59/0x60 [ 39.036581] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.037419] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.038397] bpf_prog_alloc+0x39/0x200 [ 39.039120] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.040014] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.040882] do_seccomp+0x349/0x25e0 [ 39.041523] ? find_held_lock+0x2b/0x80 [ 39.042243] ? do_prlimit+0x310/0x610 [ 39.042941] ? __pfx_do_seccomp+0x10/0x10 [ 39.043650] ? do_raw_spin_unlock+0x53/0x220 [ 39.044444] ? _raw_spin_unlock+0x1e/0x40 [ 39.045203] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.046125] ? static_key_count+0x60/0x80 [ 39.046884] prctl_set_seccomp+0x4e/0x70 [ 39.047587] __do_sys_prctl+0xe6c/0x1d70 [ 39.048341] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.049153] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.050087] ? irqentry_exit+0xf3/0x650 [ 39.050826] do_syscall_64+0xbf/0x430 [ 39.051488] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.052412] RIP: 0033:0x7f6f01dda5cd [ 39.053090] 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 [ 39.056146] RSP: 002b:00007ffdd54c1390 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.057460] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f01dda5cd [ 39.058696] RDX: 0000558dc2c9de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.059922] RBP: 00007ffdd54c13f0 R08: 0000000000000000 R09: 00007ffdd54c0a90 [ 39.061173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558dfce68bf0 [ 39.062392] R13: 00007ffdd54c1820 R14: 0000558dfce72380 R15: 0000558dfce7d460 [ 39.063649] [ 39.064096] irq event stamp: 1797 [ 39.064680] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 39.066126] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 39.067570] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 39.069064] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 39.070512] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.953545] ------------[ cut here ]------------ [ 41.954592] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.956949] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.958630] Modules linked in: [ 41.959370] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.961616] Tainted: [W]=WARN [ 41.962316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.964004] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.965039] 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 [ 41.968711] RSP: 0018:ffff888017127bc0 EFLAGS: 00010286 [ 41.969813] RAX: 0000000000000000 RBX: ffffed1002e24f78 RCX: ffffffff813a4050 [ 41.971288] RDX: ffff888015bfb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.972791] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e24f2f [ 41.974274] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.975722] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017127df8 [ 41.977241] FS: 00007f770b5e2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.978911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.980104] CR2: 00007f770bad4580 CR3: 000000000e09e000 CR4: 0000000000350ef0 [ 41.981605] Call Trace: [ 41.982177] [ 41.982634] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.983672] ? __create_object+0x59/0x80 [ 41.984566] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.985684] __vmalloc_noprof+0x59/0x60 [ 41.986530] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.987530] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.988588] bpf_prog_alloc+0x39/0x200 [ 41.989442] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.990490] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.991541] do_seccomp+0x349/0x25e0 [ 41.992358] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.993390] ? __pfx_do_seccomp+0x10/0x10 [ 41.994273] ? find_held_lock+0x2b/0x80 [ 41.995153] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.996250] ? static_key_count+0x60/0x80 [ 41.997177] prctl_set_seccomp+0x4e/0x70 [ 41.998042] __do_sys_prctl+0xe6c/0x1d70 [ 41.998940] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.999890] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.001076] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.002165] ? irqentry_exit+0xf3/0x650 [ 42.003055] do_syscall_64+0xbf/0x430 [ 42.003890] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.005011] RIP: 0033:0x7f770bad45cd [ 42.005743] 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 [ 42.009441] RSP: 002b:00007ffd0edec230 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.011029] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f770bad45cd [ 42.012498] RDX: 000055943c44ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.013981] RBP: 00007ffd0edec290 R08: 0000000000000000 R09: 00007ffd0edeb930 [ 42.015418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559463827ad0 [ 42.016924] R13: 00007ffd0edec6c0 R14: 0000559463828bc0 R15: 0000559463839780 [ 42.018161] [ 42.018559] irq event stamp: 1741 [ 42.019180] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 42.020612] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 42.022075] softirqs last enabled at (1218): [] handle_softirqs+0x50c/0x770 [ 42.023520] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 42.024978] ---[ end trace 0000000000000000 ]--- [ 42.597369] ------------[ cut here ]------------ [ 42.598290] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.600267] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 42.601729] Modules linked in: [ 42.602358] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.604586] Tainted: [W]=WARN [ 42.605258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.606732] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.607614] 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 [ 42.610780] RSP: 0018:ffff88801c8efbc0 EFLAGS: 00010286 [ 42.611721] RAX: 0000000000000000 RBX: ffffed100391df78 RCX: ffffffff813a4050 [ 42.613019] RDX: ffff888016fd8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.614294] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100391df2f [ 42.615561] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.616854] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c8efdf8 [ 42.618149] FS: 00007f28b89ad900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.619585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.620693] CR2: 00007ffdf8b35ef8 CR3: 000000000e6aa000 CR4: 0000000000350ef0 [ 42.622002] Call Trace: [ 42.622480] [ 42.622936] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.623853] ? __create_object+0x59/0x80 [ 42.624627] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.625637] __vmalloc_noprof+0x59/0x60 [ 42.626416] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.627318] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.628297] bpf_prog_alloc+0x39/0x200 [ 42.629052] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.630020] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.630948] do_seccomp+0x349/0x25e0 [ 42.631659] ? find_held_lock+0x2b/0x80 [ 42.632454] ? do_prlimit+0x310/0x610 [ 42.633212] ? __pfx_do_seccomp+0x10/0x10 [ 42.634021] ? do_raw_spin_unlock+0x53/0x220 [ 42.634875] ? _raw_spin_unlock+0x1e/0x40 [ 42.635649] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.636661] ? static_key_count+0x60/0x80 [ 42.637481] prctl_set_seccomp+0x4e/0x70 [ 42.638278] __do_sys_prctl+0xe6c/0x1d70 [ 42.639084] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.639960] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.641004] ? irqentry_exit+0xf3/0x650 [ 42.641739] do_syscall_64+0xbf/0x430 [ 42.642504] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.643499] RIP: 0033:0x7f28b8e9f5cd [ 42.644225] 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 [ 42.647572] RSP: 002b:00007ffdf8b34050 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.649026] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28b8e9f5cd [ 42.650349] RDX: 00005636511f7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.651695] RBP: 00007ffdf8b340b0 R08: 0000000000000000 R09: 00007ffdf8b33750 [ 42.653031] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563651230ad0 [ 42.654374] R13: 00007ffdf8b344e0 R14: 0000563651231bc0 R15: 0000563651242780 [ 42.655707] [ 42.656195] irq event stamp: 1909 [ 42.656883] hardirqs last enabled at (1919): [] __up_console_sem+0x78/0x80 [ 42.658306] hardirqs last disabled at (1928): [] __up_console_sem+0x5d/0x80 [ 42.659626] softirqs last enabled at (1520): [] handle_softirqs+0x50c/0x770 [ 42.661001] softirqs last disabled at (1515): [] __irq_exit_rcu+0xc4/0x100 [ 42.662311] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40465' (ECDSA) to the list of known hosts. 2025/11/19 03:10:15 fuzzer started 2025/11/19 03:10:16 dialing manager at localhost:34383 2025/11/19 03:10:16 checking machine... 2025/11/19 03:10:16 checking revisions... [ 43.532969] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:10:16 testing simple program... [ 43.617860] cgroup: Unknown subsys name 'net' [ 43.664412] cgroup: Unknown subsys name 'cpuset' [ 43.683266] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:10:15 Registers: info registers vcpu 0 RAX=0000000000008a00 RBX=ffff888019018000 RCX=0000000000000100 RDX=0000000000000008 RSI=ffff888019018a80 RDI=ffff888019018a80 RBP=ffff888019018a58 RSP=ffff888017b27bf0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000 R12=ffff888019018a80 R13=8f154c9cc5d7bec3 R14=0000000000000001 R15=0000000000000001 RIP=ffffffff81527588 RFL=00000086 [--S--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 00007f770b5e2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd0ede6000 CR3=0000000020443000 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=000000000002584f 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 fffffe3a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffece7f2988 CR3=0000000005c8a000 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=00007fb7bae0251000005637c1445790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000