[ 38.988925] ------------[ cut here ]------------ [ 38.989860] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.991862] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.993307] Modules linked in: [ 38.993919] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.995883] Tainted: [W]=WARN [ 38.996474] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.997931] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.998851] 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 [ 39.002004] RSP: 0018:ffff8880177b7bc0 EFLAGS: 00010286 [ 39.002972] RAX: 0000000000000000 RBX: ffffed1002ef6f78 RCX: ffffffff813a4050 [ 39.004250] RDX: ffff88800f81b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.005521] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ef6f2f [ 39.006795] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.008059] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880177b7df8 [ 39.009347] FS: 00007f6faf991900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.010774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.011823] CR2: 00007f6fafe83580 CR3: 000000000d9e3000 CR4: 0000000000350ef0 [ 39.013100] Call Trace: [ 39.013603] [ 39.014019] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.014923] ? __create_object+0x59/0x80 [ 39.015711] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.016685] __vmalloc_noprof+0x59/0x60 [ 39.017439] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.018253] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.019184] bpf_prog_alloc+0x39/0x200 [ 39.019931] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.020861] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.021752] do_seccomp+0x349/0x25e0 [ 39.022467] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.023307] ? __pfx_do_seccomp+0x10/0x10 [ 39.024099] ? find_held_lock+0x2b/0x80 [ 39.024872] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.025825] ? static_key_count+0x60/0x80 [ 39.026631] prctl_set_seccomp+0x4e/0x70 [ 39.027407] __do_sys_prctl+0xe6c/0x1d70 [ 39.028138] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.029010] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.029974] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.030958] ? irqentry_exit+0xf3/0x650 [ 39.031721] do_syscall_64+0xbf/0x430 [ 39.032459] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.033406] RIP: 0033:0x7f6fafe835cd [ 39.034067] 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 [ 39.037206] RSP: 002b:00007fff29f249e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.038563] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6fafe835cd [ 39.039836] RDX: 000055598ece2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.041127] RBP: 00007fff29f24a40 R08: 0000000000000000 R09: 00007fff29f240e0 [ 39.042412] R10: 0000000000000000 R11: 0000000000000246 R12: 00005559a7779ad0 [ 39.043699] R13: 00007fff29f24e70 R14: 00005559a777abc0 R15: 00005559a778b780 [ 39.044998] [ 39.045458] irq event stamp: 1773 [ 39.046062] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 39.047579] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 39.049092] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 39.050637] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 39.052144] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.887427] ------------[ cut here ]------------ [ 41.888392] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.890533] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.892063] Modules linked in: [ 41.892722] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.894740] Tainted: [W]=WARN [ 41.895369] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.896881] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.897808] 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 [ 41.901073] RSP: 0018:ffff8880198c7bc0 EFLAGS: 00010286 [ 41.902070] RAX: 0000000000000000 RBX: ffffed1003318f78 RCX: ffffffff813a4050 [ 41.903406] RDX: ffff88801765d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.904744] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003318f2f [ 41.906045] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.907381] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880198c7df8 [ 41.908710] FS: 00007f788fbdb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.910188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.911496] CR2: 00007fffc74d3ef8 CR3: 000000002048b000 CR4: 0000000000350ef0 [ 41.912834] Call Trace: [ 41.913311] [ 41.913778] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.914690] ? __create_object+0x59/0x80 [ 41.915511] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.916522] __vmalloc_noprof+0x59/0x60 [ 41.917257] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.918147] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.919259] bpf_prog_alloc+0x39/0x200 [ 41.920122] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.921164] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.922084] do_seccomp+0x349/0x25e0 [ 41.922994] ? find_held_lock+0x2b/0x80 [ 41.923888] ? do_prlimit+0x310/0x610 [ 41.924650] ? __pfx_do_seccomp+0x10/0x10 [ 41.925595] ? do_raw_spin_unlock+0x53/0x220 [ 41.926506] ? _raw_spin_unlock+0x1e/0x40 [ 41.927276] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.928528] ? static_key_count+0x60/0x80 [ 41.929297] prctl_set_seccomp+0x4e/0x70 [ 41.930181] __do_sys_prctl+0xe6c/0x1d70 [ 41.931094] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.931972] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.933129] ? irqentry_exit+0xf3/0x650 [ 41.933970] do_syscall_64+0xbf/0x430 [ 41.934729] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.935933] RIP: 0033:0x7f78900cd5cd [ 41.936662] 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 [ 41.940197] RSP: 002b:00007fffc74d2900 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.941787] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f78900cd5cd [ 41.943190] RDX: 0000559aae428e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.944636] RBP: 00007fffc74d2960 R08: 0000000000000000 R09: 00007fffc74d2000 [ 41.946081] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559ac85cfb10 [ 41.947446] R13: 00007fffc74d2d90 R14: 0000559ac85d02b0 R15: 0000559ac85e46f0 [ 41.948831] [ 41.949271] irq event stamp: 1785 [ 41.949918] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 41.951470] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 41.953021] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 41.954400] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 41.955776] ---[ end trace 0000000000000000 ]--- [ 42.726846] ------------[ cut here ]------------ [ 42.727787] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.729851] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.731549] Modules linked in: [ 42.732145] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.734208] Tainted: [W]=WARN [ 42.734810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.736300] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.737195] 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 [ 42.740387] RSP: 0018:ffff888017897bc0 EFLAGS: 00010286 [ 42.741372] RAX: 0000000000000000 RBX: ffffed1002f12f78 RCX: ffffffff813a4050 [ 42.742649] RDX: ffff88801bdc0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.743937] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f12f2f [ 42.745230] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.746495] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017897df8 [ 42.747792] FS: 00007f58ca7ea900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.749244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.750297] CR2: 00007ffd223a9ef8 CR3: 0000000020564000 CR4: 0000000000350ef0 [ 42.751606] Call Trace: [ 42.752069] [ 42.752532] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.753437] ? __create_object+0x59/0x80 [ 42.754183] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.755153] __vmalloc_noprof+0x59/0x60 [ 42.755903] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.756784] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.757712] bpf_prog_alloc+0x39/0x200 [ 42.758453] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.759370] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.760247] do_seccomp+0x349/0x25e0 [ 42.760969] ? find_held_lock+0x2b/0x80 [ 42.761737] ? do_prlimit+0x310/0x610 [ 42.762483] ? __pfx_do_seccomp+0x10/0x10 [ 42.763223] ? do_raw_spin_unlock+0x53/0x220 [ 42.764052] ? _raw_spin_unlock+0x1e/0x40 [ 42.764838] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.765800] ? static_key_count+0x60/0x80 [ 42.766613] prctl_set_seccomp+0x4e/0x70 [ 42.767384] __do_sys_prctl+0xe6c/0x1d70 [ 42.768143] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.769008] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.769963] ? irqentry_exit+0xf3/0x650 [ 42.770741] do_syscall_64+0xbf/0x430 [ 42.771494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.772455] RIP: 0033:0x7f58cacdc5cd [ 42.773124] 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 [ 42.776283] RSP: 002b:00007ffd223a84b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.777668] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58cacdc5cd [ 42.778951] RDX: 000055d2682e3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.780228] RBP: 00007ffd223a8510 R08: 0000000000000000 R09: 00007ffd223a7bb0 [ 42.781535] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d271f02ad0 [ 42.782816] R13: 00007ffd223a8940 R14: 000055d271f03bc0 R15: 000055d271f14780 [ 42.784111] [ 42.784591] irq event stamp: 1803 [ 42.785201] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 42.786722] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 42.788342] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 42.789900] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 42.791424] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61241' (ECDSA) to the list of known hosts. 2025/11/17 08:54:48 fuzzer started 2025/11/17 08:54:49 dialing manager at localhost:37895 2025/11/17 08:54:49 checking machine... 2025/11/17 08:54:49 checking revisions... [ 43.668808] kmemleak: Automatic memory scanning thread ended 2025/11/17 08:54:49 testing simple program... [ 43.770244] cgroup: Unknown subsys name 'net' [ 43.834934] cgroup: Unknown subsys name 'cpuset' [ 43.847465] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 08:54:48 Registers: info registers vcpu 0 RAX=0000000000022000 RBX=ffff888017fd1bc0 RCX=0000000000000001 RDX=0000000000022005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888017fd2618 RSP=ffff88806ce088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888017fd26b8 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270cc 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000559ac8606000 CR3=0000000020549000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=2ab8bd2e5886154900000000000ae988 XMM05=0c1744e1cdea020200000000003203d0 XMM06=090f1556b20111b3000000000031f518 XMM07=fb795ef6d6577056000000000030eb50 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00007fffc74cf8a0 RBX=0000000000000001 RCX=ffffffff869d7fd2 RDX=0000000000000002 RSI=0000000000000001 RDI=ffff888016cd7f78 RBP=ffff888016cd788a RSP=ffff888016cd77d8 R8 =ffffffff869d7fd6 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003 R12=ffff888016cd7f58 R13=ffff888016cd7890 R14=ffff888016cd7f58 R15=ffff888016cd7848 RIP=ffffffff8135fdfd RFL=00000202 [-------] 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 00007f788fbdb900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffc74cc000 CR3=000000000e62e000 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