[ 38.994856] ------------[ cut here ]------------ [ 38.995846] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.997989] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.999540] Modules linked in: [ 39.000170] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.002312] Tainted: [W]=WARN [ 39.002962] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.004557] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.005564] 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 [ 39.009015] RSP: 0018:ffff88800ddd7bc0 EFLAGS: 00010286 [ 39.010084] RAX: 0000000000000000 RBX: ffffed1001bbaf78 RCX: ffffffff813a4050 [ 39.011506] RDX: ffff888013a1d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.012935] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001bbaf2f [ 39.014356] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.015784] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ddd7df8 [ 39.017244] FS: 00007f62615d1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.018864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.020070] CR2: 00007f6261ac3580 CR3: 000000000cdd8000 CR4: 0000000000350ef0 [ 39.021541] Call Trace: [ 39.022074] [ 39.022592] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.023614] ? __create_object+0x59/0x80 [ 39.024459] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.025621] __vmalloc_noprof+0x59/0x60 [ 39.026441] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.027438] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.028444] bpf_prog_alloc+0x39/0x200 [ 39.029190] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.030136] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.031033] do_seccomp+0x349/0x25e0 [ 39.031759] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.032675] ? __pfx_do_seccomp+0x10/0x10 [ 39.033420] ? find_held_lock+0x2b/0x80 [ 39.034173] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.035136] ? static_key_count+0x60/0x80 [ 39.035949] prctl_set_seccomp+0x4e/0x70 [ 39.036748] __do_sys_prctl+0xe6c/0x1d70 [ 39.037535] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.038355] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.039324] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.040317] ? irqentry_exit+0xf3/0x650 [ 39.041089] do_syscall_64+0xbf/0x430 [ 39.041826] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.042792] RIP: 0033:0x7f6261ac35cd [ 39.043453] 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 [ 39.046673] RSP: 002b:00007ffce88aa780 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.048030] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6261ac35cd [ 39.049335] RDX: 00005608305a2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.050621] RBP: 00007ffce88aa7e0 R08: 0000000000000000 R09: 00007ffce88a9e80 [ 39.051904] R10: 0000000000000000 R11: 0000000000000246 R12: 000056084ca2e2b0 [ 39.053169] R13: 00007ffce88aac10 R14: 000056084ca30d20 R15: 000056084ca428d0 [ 39.054404] [ 39.054794] irq event stamp: 1679 [ 39.055301] hardirqs last enabled at (1687): [] __up_console_sem+0x78/0x80 [ 39.056560] hardirqs last disabled at (1696): [] __up_console_sem+0x5d/0x80 [ 39.057829] softirqs last enabled at (1308): [] handle_softirqs+0x50c/0x770 [ 39.059105] softirqs last disabled at (1303): [] __irq_exit_rcu+0xc4/0x100 [ 39.060363] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.661229] ------------[ cut here ]------------ [ 42.662179] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.664171] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.665637] Modules linked in: [ 42.666233] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.668177] Tainted: [W]=WARN [ 42.668813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.670270] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.671172] 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 [ 42.674320] RSP: 0018:ffff8880175c7bc0 EFLAGS: 00010286 [ 42.675285] RAX: 0000000000000000 RBX: ffffed1002eb8f78 RCX: ffffffff813a4050 [ 42.676569] RDX: ffff88801a5f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.677881] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb8f2f [ 42.679155] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.680411] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880175c7df8 [ 42.681719] FS: 00007fcc4e2d9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.683139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.684195] CR2: 00007ffdda523ef7 CR3: 000000001efcf000 CR4: 0000000000350ef0 [ 42.685523] Call Trace: [ 42.685978] [ 42.686385] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.687265] ? __create_object+0x59/0x80 [ 42.688037] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.689034] __vmalloc_noprof+0x59/0x60 [ 42.689781] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.690638] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.691548] bpf_prog_alloc+0x39/0x200 [ 42.692227] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.693181] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.694072] do_seccomp+0x349/0x25e0 [ 42.694781] ? find_held_lock+0x2b/0x80 [ 42.695534] ? do_prlimit+0x310/0x610 [ 42.696214] ? __pfx_do_seccomp+0x10/0x10 [ 42.697038] ? do_raw_spin_unlock+0x53/0x220 [ 42.697864] ? _raw_spin_unlock+0x1e/0x40 [ 42.698639] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.699596] ? static_key_count+0x60/0x80 [ 42.700337] prctl_set_seccomp+0x4e/0x70 [ 42.701135] __do_sys_prctl+0xe6c/0x1d70 [ 42.701917] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.702762] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.703712] ? irqentry_exit+0xf3/0x650 [ 42.704419] do_syscall_64+0xbf/0x430 [ 42.705187] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.706128] RIP: 0033:0x7fcc4e7cb5cd [ 42.706820] 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 [ 42.709963] RSP: 002b:00007ffdda522890 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.711293] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc4e7cb5cd [ 42.712557] RDX: 000055e1a265ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.713710] RBP: 00007ffdda5228f0 R08: 0000000000000000 R09: 00007ffdda521f90 [ 42.714773] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e1c9afb2b0 [ 42.715837] R13: 00007ffdda522d20 R14: 000055e1c9afdd20 R15: 000055e1c9b0f8d0 [ 42.716952] [ 42.717303] irq event stamp: 1713 [ 42.717845] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 42.719108] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 42.720370] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 42.721682] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 42.722928] ---[ end trace 0000000000000000 ]--- [ 43.527049] ------------[ cut here ]------------ [ 43.527981] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.530045] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.531509] Modules linked in: [ 43.532106] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.534365] Tainted: [W]=WARN [ 43.535227] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.536755] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.537688] 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 [ 43.540932] RSP: 0018:ffff888019287bc0 EFLAGS: 00010286 [ 43.541922] RAX: 0000000000000000 RBX: ffffed1003250f78 RCX: ffffffff813a4050 [ 43.543226] RDX: ffff88801a690000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.544518] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003250f2f [ 43.545859] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.547161] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019287df8 [ 43.548459] FS: 00007f84f5353900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.549986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.551063] CR2: 00007f84f5845580 CR3: 000000001f98d000 CR4: 0000000000350ef0 [ 43.552361] Call Trace: [ 43.552927] [ 43.553346] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.554255] ? __create_object+0x59/0x80 [ 43.555050] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.556029] __vmalloc_noprof+0x59/0x60 [ 43.556839] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.557732] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.558679] bpf_prog_alloc+0x39/0x200 [ 43.559377] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.560319] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.561275] do_seccomp+0x349/0x25e0 [ 43.562001] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.562919] ? __pfx_do_seccomp+0x10/0x10 [ 43.563716] ? find_held_lock+0x2b/0x80 [ 43.564435] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.565448] ? static_key_count+0x60/0x80 [ 43.566276] prctl_set_seccomp+0x4e/0x70 [ 43.567068] __do_sys_prctl+0xe6c/0x1d70 [ 43.567849] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.568760] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.569769] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.570756] ? irqentry_exit+0xf3/0x650 [ 43.571541] do_syscall_64+0xbf/0x430 [ 43.572244] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.573245] RIP: 0033:0x7f84f58455cd [ 43.573960] 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 [ 43.577215] RSP: 002b:00007ffd2b49f300 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.578609] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f84f58455cd [ 43.579913] RDX: 00005631ec9c6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.581253] RBP: 00007ffd2b49f360 R08: 0000000000000000 R09: 00007ffd2b49ea00 [ 43.582552] R10: 0000000000000000 R11: 0000000000000246 R12: 00005631f1990ad0 [ 43.583849] R13: 00007ffd2b49f790 R14: 00005631f1991bc0 R15: 00005631f19a2780 [ 43.585203] [ 43.585680] irq event stamp: 1839 [ 43.586293] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 43.587834] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 43.589418] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 43.590973] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 43.592513] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9163' (ECDSA) to the list of known hosts. 2025/11/18 11:20:57 fuzzer started 2025/11/18 11:20:57 dialing manager at localhost:34383 2025/11/18 11:20:57 checking machine... 2025/11/18 11:20:57 checking revisions... [ 44.510212] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:20:57 testing simple program... [ 44.593826] cgroup: Unknown subsys name 'net' [ 44.661953] cgroup: Unknown subsys name 'cpuset' [ 44.679311] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:20:56 Registers: info registers vcpu 0 RAX=ffffffff84c712a0 RBX=000000000000000a RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000018 RDI=ffff88806ce08bd8 RBP=dffffc0000000000 RSP=ffff88806ce08af8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000018 R13=0000000000000000 R14=ffff88806ce08b88 R15=ffff8880096c7dc0 RIP=ffffffff81619309 RFL=00000287 [--S--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 00007fcc4e2d9900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fcc4e88e650 CR3=000000001f826000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001f8f5 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=00000206 [-----P-] 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=00007fffd576f988 CR3=000000001633c000 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=2036353a30323a313120383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036353a30323a3131203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000