[ 38.833893] ------------[ cut here ]------------ [ 38.834509] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.835902] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 38.836899] Modules linked in: [ 38.837301] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.838663] Tainted: [W]=WARN [ 38.839038] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.840046] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.840672] 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 [ 38.842843] RSP: 0018:ffff888016dc7bc0 EFLAGS: 00010286 [ 38.843492] RAX: 0000000000000000 RBX: ffffed1002db8f78 RCX: ffffffff813a4050 [ 38.844362] RDX: ffff88800a4e5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.845237] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db8f2f [ 38.846108] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.846979] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dc7df8 [ 38.847868] FS: 00007fb357b75900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.848857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.849582] CR2: 00007fb358067580 CR3: 000000000d246000 CR4: 0000000000350ef0 [ 38.850433] Call Trace: [ 38.850782] [ 38.851063] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.851684] ? __create_object+0x59/0x80 [ 38.852189] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.852851] __vmalloc_noprof+0x59/0x60 [ 38.853341] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.853939] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.854544] bpf_prog_alloc+0x39/0x200 [ 38.855052] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.855697] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.856289] do_seccomp+0x349/0x25e0 [ 38.856776] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.857358] ? __pfx_do_seccomp+0x10/0x10 [ 38.857891] ? find_held_lock+0x2b/0x80 [ 38.858387] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.859040] ? static_key_count+0x60/0x80 [ 38.859598] prctl_set_seccomp+0x4e/0x70 [ 38.860101] __do_sys_prctl+0xe6c/0x1d70 [ 38.860634] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.861189] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.861849] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.862494] ? irqentry_exit+0xf3/0x650 [ 38.863014] do_syscall_64+0xbf/0x430 [ 38.863499] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.864146] RIP: 0033:0x7fb3580675cd [ 38.864624] 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 [ 38.866809] RSP: 002b:00007ffc740a7ad0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.867754] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3580675cd [ 38.868631] RDX: 0000563a4c482e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.869481] RBP: 00007ffc740a7b30 R08: 0000000000000000 R09: 00007ffc740a71d0 [ 38.870367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563a6af6ead0 [ 38.871254] R13: 00007ffc740a7f60 R14: 0000563a6af6fbc0 R15: 0000563a6af80780 [ 38.872155] [ 38.872447] irq event stamp: 1723 [ 38.872895] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 38.873954] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 38.874998] softirqs last enabled at (1410): [] handle_softirqs+0x50c/0x770 [ 38.876078] softirqs last disabled at (1405): [] __irq_exit_rcu+0xc4/0x100 [ 38.877116] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.230294] ------------[ cut here ]------------ [ 42.231276] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.233755] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.235295] Modules linked in: [ 42.235957] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.239791] Tainted: [W]=WARN [ 42.240386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.241928] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.242870] 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 [ 42.246169] RSP: 0018:ffff888018877bc0 EFLAGS: 00010286 [ 42.247211] RAX: 0000000000000000 RBX: ffffed100310ef78 RCX: ffffffff813a4050 [ 42.248575] RDX: ffff88800f6b0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.249925] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100310ef2f [ 42.251287] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.252640] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018877df8 [ 42.253994] FS: 00007f0d90ca2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.255519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.256650] CR2: 00007f0d91194580 CR3: 0000000014703000 CR4: 0000000000350ef0 [ 42.257959] Call Trace: [ 42.258443] [ 42.258902] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.259851] ? __create_object+0x59/0x80 [ 42.260651] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.261643] __vmalloc_noprof+0x59/0x60 [ 42.262374] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.263257] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.264201] bpf_prog_alloc+0x39/0x200 [ 42.264954] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.265895] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.266822] do_seccomp+0x349/0x25e0 [ 42.267518] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.268446] ? __pfx_do_seccomp+0x10/0x10 [ 42.269259] ? find_held_lock+0x2b/0x80 [ 42.270038] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.271027] ? static_key_count+0x60/0x80 [ 42.271868] prctl_set_seccomp+0x4e/0x70 [ 42.272655] __do_sys_prctl+0xe6c/0x1d70 [ 42.273426] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.274309] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.275297] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.276270] ? irqentry_exit+0xf3/0x650 [ 42.277062] do_syscall_64+0xbf/0x430 [ 42.277810] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.278787] RIP: 0033:0x7f0d911945cd [ 42.279463] 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 [ 42.282723] RSP: 002b:00007ffc9d741970 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.284119] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d911945cd [ 42.285440] RDX: 0000561cd82e8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.286737] RBP: 00007ffc9d7419d0 R08: 0000000000000000 R09: 00007ffc9d741070 [ 42.288062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561d14f92ad0 [ 42.289364] R13: 00007ffc9d741e00 R14: 0000561d14f93bc0 R15: 0000561d14fa4780 [ 42.290683] [ 42.291118] irq event stamp: 2145 [ 42.291764] hardirqs last enabled at (2155): [] __up_console_sem+0x78/0x80 [ 42.293067] hardirqs last disabled at (2164): [] __up_console_sem+0x5d/0x80 [ 42.294380] softirqs last enabled at (1952): [] handle_softirqs+0x50c/0x770 [ 42.295716] softirqs last disabled at (1947): [] __irq_exit_rcu+0xc4/0x100 [ 42.296990] ---[ end trace 0000000000000000 ]--- [ 43.189130] ------------[ cut here ]------------ [ 43.190083] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.192133] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.193663] Modules linked in: [ 43.194254] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.196410] Tainted: [W]=WARN [ 43.197005] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.198442] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.199366] 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 [ 43.202533] RSP: 0018:ffff888017b9fbc0 EFLAGS: 00010286 [ 43.203500] RAX: 0000000000000000 RBX: ffffed1002f73f78 RCX: ffffffff813a4050 [ 43.204754] RDX: ffff8880176db780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.206005] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f73f2f [ 43.207255] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.208523] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b9fdf8 [ 43.209840] FS: 00007f7b87535900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.211232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.212279] CR2: 00007f7b87a27580 CR3: 000000000d831000 CR4: 0000000000350ef0 [ 43.213533] Call Trace: [ 43.214030] [ 43.214429] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.215329] ? __create_object+0x59/0x80 [ 43.216108] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.217046] __vmalloc_noprof+0x59/0x60 [ 43.217806] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.218669] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.219541] bpf_prog_alloc+0x39/0x200 [ 43.220275] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.221188] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.222102] do_seccomp+0x349/0x25e0 [ 43.222810] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.223715] ? __pfx_do_seccomp+0x10/0x10 [ 43.224463] ? find_held_lock+0x2b/0x80 [ 43.225208] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.226149] ? static_key_count+0x60/0x80 [ 43.226932] prctl_set_seccomp+0x4e/0x70 [ 43.227697] __do_sys_prctl+0xe6c/0x1d70 [ 43.228407] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.229257] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.230252] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.231245] ? irqentry_exit+0xf3/0x650 [ 43.232033] do_syscall_64+0xbf/0x430 [ 43.232776] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.233755] RIP: 0033:0x7f7b87a275cd [ 43.234427] 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 [ 43.237632] RSP: 002b:00007ffce3b8f3c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.238996] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b87a275cd [ 43.240141] RDX: 000055e0a1af5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.241225] RBP: 00007ffce3b8f420 R08: 0000000000000000 R09: 00007ffce3b8eac0 [ 43.242302] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0c55d62b0 [ 43.243388] R13: 00007ffce3b8f850 R14: 000055e0c55d8d20 R15: 000055e0c55ea8d0 [ 43.244438] [ 43.244811] irq event stamp: 1711 [ 43.245291] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 43.246516] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 43.247761] softirqs last enabled at (1594): [] handle_softirqs+0x50c/0x770 [ 43.249014] softirqs last disabled at (1589): [] __irq_exit_rcu+0xc4/0x100 [ 43.250236] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:27414' (ECDSA) to the list of known hosts. 2025/11/17 20:07:40 fuzzer started 2025/11/17 20:07:40 dialing manager at localhost:37895 2025/11/17 20:07:40 checking machine... 2025/11/17 20:07:40 checking revisions... [ 44.186309] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:07:41 testing simple program... [ 44.277403] cgroup: Unknown subsys name 'net' [ 44.349467] cgroup: Unknown subsys name 'cpuset' [ 44.362641] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:07:40 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888018911bc0 RCX=ffff88806ce08974 RDX=0000000000000000 RSI=ffffffff81ab1613 RDI=ffff888018911fbc RBP=ffff888018911bc0 RSP=ffff88806ce08998 R8 =0000000000000001 R9 =ffff88806ce08a60 R10=000000000003c9ed R11=000000000002560c R12=0000000000000000 R13=ffff88806ce08a68 R14=ffff888018911bc0 R15=ffff88806ce08a20 RIP=ffffffff815bd617 RFL=00000213 [----A-C] 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 00007f0d90ca2900 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=00007ffc9d73b000 CR3=0000000014840000 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 info registers vcpu 1 RAX=000000000002ab17 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbb83229538 CR3=000000000da7d000 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=37303a303220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383430 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000