[ 39.323830] ------------[ cut here ]------------ [ 39.324788] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.326884] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.328387] Modules linked in: [ 39.329019] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.331080] Tainted: [W]=WARN [ 39.331661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.333177] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.334131] 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 [ 39.337358] RSP: 0018:ffff888019c6fbc0 EFLAGS: 00010286 [ 39.338366] RAX: 0000000000000000 RBX: ffffed100338df78 RCX: ffffffff813a4050 [ 39.339700] RDX: ffff88800a303780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.341009] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100338df2f [ 39.342330] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.343641] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c6fdf8 [ 39.344950] FS: 00007f6e0c4d3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.346407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.347485] CR2: 00007f6e0c9c5580 CR3: 000000000cac8000 CR4: 0000000000350ef0 [ 39.348783] Call Trace: [ 39.349261] [ 39.349734] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.350602] ? __create_object+0x59/0x80 [ 39.351390] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.352383] __vmalloc_noprof+0x59/0x60 [ 39.353157] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.354059] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.355015] bpf_prog_alloc+0x39/0x200 [ 39.355774] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.356718] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.357573] do_seccomp+0x349/0x25e0 [ 39.358309] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.359229] ? __pfx_do_seccomp+0x10/0x10 [ 39.360043] ? find_held_lock+0x2b/0x80 [ 39.360807] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.361800] ? static_key_count+0x60/0x80 [ 39.362559] prctl_set_seccomp+0x4e/0x70 [ 39.363330] __do_sys_prctl+0xe6c/0x1d70 [ 39.364112] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.364979] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.365969] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.366963] ? irqentry_exit+0xf3/0x650 [ 39.367730] do_syscall_64+0xbf/0x430 [ 39.368438] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.369409] RIP: 0033:0x7f6e0c9c55cd [ 39.370143] 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 [ 39.373364] RSP: 002b:00007ffc436ff5f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.374773] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6e0c9c55cd [ 39.376087] RDX: 000055c0f3205e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.377387] RBP: 00007ffc436ff650 R08: 0000000000000000 R09: 00007ffc436fecf0 [ 39.378715] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c12ac64ad0 [ 39.380012] R13: 00007ffc436ffa80 R14: 000055c12ac65bc0 R15: 000055c12ac76780 [ 39.381322] [ 39.381801] irq event stamp: 1753 [ 39.382418] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 39.383969] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 39.385507] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 39.387081] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 39.388630] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.233643] sshd (239) used greatest stack depth: 24736 bytes left [ 42.010086] ------------[ cut here ]------------ [ 42.011003] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.013054] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.014523] Modules linked in: [ 42.015186] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.017148] Tainted: [W]=WARN [ 42.017742] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.019337] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.020363] 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 [ 42.023835] RSP: 0018:ffff88801708fbc0 EFLAGS: 00010286 [ 42.024821] RAX: 0000000000000000 RBX: ffffed1002e11f78 RCX: ffffffff813a4050 [ 42.026124] RDX: ffff888016ed3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.027393] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e11f2f [ 42.028691] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.030013] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801708fdf8 [ 42.031316] FS: 00007f5e8b5ef900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.032756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.033828] CR2: 00007ffd89de2ef8 CR3: 000000000e476000 CR4: 0000000000350ef0 [ 42.035101] Call Trace: [ 42.035567] [ 42.036014] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.036910] ? __create_object+0x59/0x80 [ 42.037657] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.038699] __vmalloc_noprof+0x59/0x60 [ 42.039419] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.040295] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.041237] bpf_prog_alloc+0x39/0x200 [ 42.042006] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.042950] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.043866] do_seccomp+0x349/0x25e0 [ 42.044541] ? find_held_lock+0x2b/0x80 [ 42.045290] ? do_prlimit+0x310/0x610 [ 42.046042] ? __pfx_do_seccomp+0x10/0x10 [ 42.046840] ? do_raw_spin_unlock+0x53/0x220 [ 42.047632] ? _raw_spin_unlock+0x1e/0x40 [ 42.048410] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.049376] ? static_key_count+0x60/0x80 [ 42.050203] prctl_set_seccomp+0x4e/0x70 [ 42.050975] __do_sys_prctl+0xe6c/0x1d70 [ 42.051765] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.052582] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.053552] ? irqentry_exit+0xf3/0x650 [ 42.054336] do_syscall_64+0xbf/0x430 [ 42.055076] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.056031] RIP: 0033:0x7f5e8bae15cd [ 42.056729] 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 [ 42.059912] RSP: 002b:00007ffd89de0970 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.061303] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e8bae15cd [ 42.062625] RDX: 000055629ed58e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.063712] RBP: 00007ffd89de09d0 R08: 0000000000000000 R09: 00007ffd89de0070 [ 42.064765] R10: 0000000000000000 R11: 0000000000000246 R12: 00005562dbdbcad0 [ 42.065842] R13: 00007ffd89de0e00 R14: 00005562dbdbdbc0 R15: 00005562dbdce780 [ 42.066928] [ 42.067282] irq event stamp: 1769 [ 42.067825] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 42.069107] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 42.070388] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 42.071663] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 42.072937] ---[ end trace 0000000000000000 ]--- [ 42.664303] ------------[ cut here ]------------ [ 42.664960] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.666050] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.666710] Modules linked in: [ 42.666983] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.667887] Tainted: [W]=WARN [ 42.668143] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.668810] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.669217] 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 [ 42.670684] RSP: 0018:ffff888015fe7bc0 EFLAGS: 00010286 [ 42.671111] RAX: 0000000000000000 RBX: ffffed1002bfcf78 RCX: ffffffff813a4050 [ 42.671700] RDX: ffff888017805340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.672264] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bfcf2f [ 42.672856] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.673424] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015fe7df8 [ 42.674018] FS: 00007fb3463fe900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.674794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.675310] CR2: 00007ffe8b405ef8 CR3: 000000001ff03000 CR4: 0000000000350ef0 [ 42.675967] Call Trace: [ 42.676178] [ 42.676365] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.676753] ? __create_object+0x59/0x80 [ 42.677227] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.677624] __vmalloc_noprof+0x59/0x60 [ 42.677970] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.678328] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.678727] bpf_prog_alloc+0x39/0x200 [ 42.679024] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.679404] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.679788] do_seccomp+0x349/0x25e0 [ 42.680078] ? find_held_lock+0x2b/0x80 [ 42.680384] ? do_prlimit+0x310/0x610 [ 42.680705] ? __pfx_do_seccomp+0x10/0x10 [ 42.681023] ? do_raw_spin_unlock+0x53/0x220 [ 42.681361] ? _raw_spin_unlock+0x1e/0x40 [ 42.681692] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.682097] ? static_key_count+0x60/0x80 [ 42.682420] prctl_set_seccomp+0x4e/0x70 [ 42.682748] __do_sys_prctl+0xe6c/0x1d70 [ 42.683063] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.683409] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.683815] ? irqentry_exit+0xf3/0x650 [ 42.684122] do_syscall_64+0xbf/0x430 [ 42.684420] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.684842] RIP: 0033:0x7fb3468f05cd [ 42.685127] 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 [ 42.686477] RSP: 002b:00007ffe8b403a00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.687053] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3468f05cd [ 42.687578] RDX: 000055b07b288e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.688121] RBP: 00007ffe8b403a60 R08: 0000000000000000 R09: 00007ffe8b403100 [ 42.688646] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b08d4beb10 [ 42.689182] R13: 00007ffe8b403e90 R14: 000055b08d4bf2b0 R15: 000055b08d4d36f0 [ 42.689736] [ 42.689918] irq event stamp: 1709 [ 42.690174] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 42.690816] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 42.691441] softirqs last enabled at (1618): [] handle_softirqs+0x50c/0x770 [ 42.692091] softirqs last disabled at (1611): [] __irq_exit_rcu+0xc4/0x100 [ 42.692729] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37698' (ECDSA) to the list of known hosts. 2025/11/17 15:12:21 fuzzer started 2025/11/17 15:12:22 dialing manager at localhost:37895 2025/11/17 15:12:22 checking machine... 2025/11/17 15:12:22 checking revisions... [ 43.575423] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:12:22 testing simple program... [ 43.682975] cgroup: Unknown subsys name 'net' [ 43.787437] cgroup: Unknown subsys name 'cpuset' [ 43.808814] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:12:21 Registers: info registers vcpu 0 RAX=000000000004665b RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 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=00007ffdb1f99e18 CR3=000000000dd56000 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=66e87148153a27bea44a6236f4126ac3 XMM02=0000000000302dc8ec2efd57dc4c00df XMM03=000000000030e4e8a73b480b51196617 XMM04=602802a982e6718100000000000ae988 XMM05=302b10b5b28be2cb000000000031f218 XMM06=474038aa6c007e1f000000000031ec10 XMM07=e042d86d42eb936e000000000030e768 XMM08=a73b480b511966170000000000302e28 XMM09=00000000000000000000000000000000 XMM10=00000000002000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8175a48f RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88800f2b7998 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000cc0 RIP=ffffffff815292fc 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 00007f5e8b5ef900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd89dda000 CR3=0000000020415000 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